20233080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 81095040

約数和(自身を除く): 60861960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 37, 40, 42, 45, 49, 56, 60, 62, 63, 70, 72, 74, 84, 90, 93, 98, 105, 111, 120, 124, 126, 140, 147, 148, 155, 168, 180, 185, 186, 196, 210, 217, 222, 245, 248, 252, 259, 279, 280, 294, 296, 310, 315, 333, 360, 370, 372, 392, 420, 434, 441, 444, 465, 490, 504, 518, 555, 558, 588, 620, 630, 651, 666, 735, 740, 744, 777, 840, 868, 882, 888, 930, 980, 1036, 1085, 1110, 1116, 1147, 1176, 1240, 1260, 1295, 1302, 1332, 1395, 1470, 1480, 1519, 1554, 1665, 1736, 1764, 1813, 1860, 1953, 1960, 2072, 2170, 2205, 2220, 2232, 2294, 2331, 2520, 2590, 2604, 2664, 2790, 2940, 3038, 3108, 3255, 3330, 3441, 3528, 3626, 3720, 3885, 3906, 4340, 4410, 4440, 4557, 4588, 4662, 5180, 5208, 5439, 5580, 5735, 5880, 6076, 6216, 6510, 6660, 6882, 7252, 7595, 7770, 7812, 8029, 8680, 8820, 9065, 9114, 9176, 9324, 9765, 10323, 10360, 10878, 11160, 11470, 11655, 12152, 13020, 13320, 13671, 13764, 14504, 15190, 15540, 15624, 16058, 16317, 17205, 17640, 18130, 18228, 18648, 19530, 20646, 21756, 22785, 22940, 23310, 24087, 26040, 27195, 27342, 27528, 30380, 31080, 32116, 32634, 34410, 36260, 36456, 39060, 40145, 41292, 43512, 45570, 45880, 46620, 48174, 51615, 54390, 54684, 56203, 60760, 64232, 65268, 68355, 68820, 72261, 72520, 78120, 80290, 81585, 82584, 91140, 93240, 96348, 103230, 108780, 109368, 112406, 120435, 130536, 136710, 137640, 144522, 160580, 163170, 168609, 182280, 192696, 206460, 217560, 224812, 240870, 273420, 281015, 289044, 321160, 326340, 337218, 361305, 412920, 449624, 481740, 505827, 546840, 562030, 578088, 652680, 674436, 722610, 843045, 963480, 1011654, 1124060, 1348872, 1445220, 1686090, 2023308, 2248120, 2529135, 2890440, 3372180, 4046616, 5058270, 6744360, 10116540, 20233080]

約数ペア:

[(1, 20233080), (2, 10116540), (3, 6744360), (4, 5058270), (5, 4046616), (6, 3372180), (7, 2890440), (8, 2529135), (9, 2248120), (10, 2023308), (12, 1686090), (14, 1445220), (15, 1348872), (18, 1124060), (20, 1011654), (21, 963480), (24, 843045), (28, 722610), (30, 674436), (31, 652680), (35, 578088), (36, 562030), (37, 546840), (40, 505827), (42, 481740), (45, 449624), (49, 412920), (56, 361305), (60, 337218), (62, 326340), (63, 321160), (70, 289044), (72, 281015), (74, 273420), (84, 240870), (90, 224812), (93, 217560), (98, 206460), (105, 192696), (111, 182280), (120, 168609), (124, 163170), (126, 160580), (140, 144522), (147, 137640), (148, 136710), (155, 130536), (168, 120435), (180, 112406), (185, 109368), (186, 108780), (196, 103230), (210, 96348), (217, 93240), (222, 91140), (245, 82584), (248, 81585), (252, 80290), (259, 78120), (279, 72520), (280, 72261), (294, 68820), (296, 68355), (310, 65268), (315, 64232), (333, 60760), (360, 56203), (370, 54684), (372, 54390), (392, 51615), (420, 48174), (434, 46620), (441, 45880), (444, 45570), (465, 43512), (490, 41292), (504, 40145), (518, 39060), (555, 36456), (558, 36260), (588, 34410), (620, 32634), (630, 32116), (651, 31080), (666, 30380), (735, 27528), (740, 27342), (744, 27195), (777, 26040), (840, 24087), (868, 23310), (882, 22940), (888, 22785), (930, 21756), (980, 20646), (1036, 19530), (1085, 18648), (1110, 18228), (1116, 18130), (1147, 17640), (1176, 17205), (1240, 16317), (1260, 16058), (1295, 15624), (1302, 15540), (1332, 15190), (1395, 14504), (1470, 13764), (1480, 13671), (1519, 13320), (1554, 13020), (1665, 12152), (1736, 11655), (1764, 11470), (1813, 11160), (1860, 10878), (1953, 10360), (1960, 10323), (2072, 9765), (2170, 9324), (2205, 9176), (2220, 9114), (2232, 9065), (2294, 8820), (2331, 8680), (2520, 8029), (2590, 7812), (2604, 7770), (2664, 7595), (2790, 7252), (2940, 6882), (3038, 6660), (3108, 6510), (3255, 6216), (3330, 6076), (3441, 5880), (3528, 5735), (3626, 5580), (3720, 5439), (3885, 5208), (3906, 5180), (4340, 4662), (4410, 4588), (4440, 4557)]