20600580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:64

約数の個数: 240

約数和(自身を含む): 79055424

約数和(自身を除く): 58454844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 49, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 98, 105, 110, 130, 132, 140, 143, 147, 154, 156, 165, 182, 195, 196, 210, 220, 231, 245, 260, 273, 286, 294, 308, 330, 343, 364, 385, 390, 420, 429, 455, 462, 490, 539, 546, 572, 588, 637, 660, 686, 715, 735, 770, 780, 858, 910, 924, 980, 1001, 1029, 1078, 1092, 1155, 1274, 1365, 1372, 1430, 1470, 1540, 1617, 1715, 1716, 1820, 1911, 2002, 2058, 2145, 2156, 2310, 2401, 2548, 2695, 2730, 2860, 2940, 3003, 3185, 3234, 3430, 3773, 3822, 4004, 4116, 4290, 4459, 4620, 4802, 5005, 5145, 5390, 5460, 6006, 6370, 6468, 6860, 7007, 7203, 7546, 7644, 8085, 8580, 8918, 9555, 9604, 10010, 10290, 10780, 11319, 12005, 12012, 12740, 13377, 14014, 14406, 15015, 15092, 16170, 17836, 18865, 19110, 20020, 20580, 21021, 22295, 22638, 24010, 26411, 26754, 28028, 28812, 30030, 31213, 32340, 35035, 36015, 37730, 38220, 42042, 44590, 45276, 48020, 49049, 52822, 53508, 56595, 60060, 62426, 66885, 70070, 72030, 75460, 79233, 84084, 89180, 93639, 98098, 105105, 105644, 113190, 124852, 132055, 133770, 140140, 144060, 147147, 156065, 158466, 187278, 196196, 210210, 226380, 245245, 264110, 267540, 294294, 312130, 316932, 343343, 374556, 396165, 420420, 468195, 490490, 528220, 588588, 624260, 686686, 735735, 792330, 936390, 980980, 1030029, 1373372, 1471470, 1584660, 1716715, 1872780, 2060058, 2942940, 3433430, 4120116, 5150145, 6866860, 10300290, 20600580]

約数ペア:

[(1, 20600580), (2, 10300290), (3, 6866860), (4, 5150145), (5, 4120116), (6, 3433430), (7, 2942940), (10, 2060058), (11, 1872780), (12, 1716715), (13, 1584660), (14, 1471470), (15, 1373372), (20, 1030029), (21, 980980), (22, 936390), (26, 792330), (28, 735735), (30, 686686), (33, 624260), (35, 588588), (39, 528220), (42, 490490), (44, 468195), (49, 420420), (52, 396165), (55, 374556), (60, 343343), (65, 316932), (66, 312130), (70, 294294), (77, 267540), (78, 264110), (84, 245245), (91, 226380), (98, 210210), (105, 196196), (110, 187278), (130, 158466), (132, 156065), (140, 147147), (143, 144060), (147, 140140), (154, 133770), (156, 132055), (165, 124852), (182, 113190), (195, 105644), (196, 105105), (210, 98098), (220, 93639), (231, 89180), (245, 84084), (260, 79233), (273, 75460), (286, 72030), (294, 70070), (308, 66885), (330, 62426), (343, 60060), (364, 56595), (385, 53508), (390, 52822), (420, 49049), (429, 48020), (455, 45276), (462, 44590), (490, 42042), (539, 38220), (546, 37730), (572, 36015), (588, 35035), (637, 32340), (660, 31213), (686, 30030), (715, 28812), (735, 28028), (770, 26754), (780, 26411), (858, 24010), (910, 22638), (924, 22295), (980, 21021), (1001, 20580), (1029, 20020), (1078, 19110), (1092, 18865), (1155, 17836), (1274, 16170), (1365, 15092), (1372, 15015), (1430, 14406), (1470, 14014), (1540, 13377), (1617, 12740), (1715, 12012), (1716, 12005), (1820, 11319), (1911, 10780), (2002, 10290), (2058, 10010), (2145, 9604), (2156, 9555), (2310, 8918), (2401, 8580), (2548, 8085), (2695, 7644), (2730, 7546), (2860, 7203), (2940, 7007), (3003, 6860), (3185, 6468), (3234, 6370), (3430, 6006), (3773, 5460), (3822, 5390), (4004, 5145), (4116, 5005), (4290, 4802), (4459, 4620)]