20903400

素因数分解:

$2^3\times 3^3\times 5^2\times 7^2\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 288

約数和(自身を含む): 84816000

約数和(自身を除く): 63912600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 49, 50, 54, 56, 60, 63, 70, 72, 75, 79, 84, 90, 98, 100, 105, 108, 120, 126, 135, 140, 147, 150, 158, 168, 175, 180, 189, 196, 200, 210, 216, 225, 237, 245, 252, 270, 280, 294, 300, 315, 316, 350, 360, 378, 392, 395, 420, 441, 450, 474, 490, 504, 525, 540, 553, 588, 600, 630, 632, 675, 700, 711, 735, 756, 790, 840, 882, 900, 945, 948, 980, 1050, 1080, 1106, 1176, 1185, 1225, 1260, 1323, 1350, 1400, 1422, 1470, 1512, 1575, 1580, 1659, 1764, 1800, 1890, 1896, 1960, 1975, 2100, 2133, 2205, 2212, 2370, 2450, 2520, 2646, 2700, 2765, 2844, 2940, 3150, 3160, 3318, 3528, 3555, 3675, 3780, 3871, 3950, 4200, 4266, 4410, 4424, 4725, 4740, 4900, 4977, 5292, 5400, 5530, 5688, 5880, 5925, 6300, 6615, 6636, 7110, 7350, 7560, 7742, 7900, 8295, 8532, 8820, 9450, 9480, 9800, 9954, 10584, 10665, 11025, 11060, 11613, 11850, 12600, 13230, 13272, 13825, 14220, 14700, 14931, 15484, 15800, 16590, 17064, 17640, 17775, 18900, 19355, 19908, 21330, 22050, 22120, 23226, 23700, 24885, 26460, 27650, 28440, 29400, 29862, 30968, 33075, 33180, 34839, 35550, 37800, 38710, 39816, 41475, 42660, 44100, 46452, 47400, 49770, 52920, 53325, 55300, 58065, 59724, 66150, 66360, 69678, 71100, 74655, 77420, 82950, 85320, 88200, 92904, 96775, 99540, 104517, 106650, 110600, 116130, 119448, 124425, 132300, 139356, 142200, 149310, 154840, 165900, 174195, 193550, 199080, 209034, 213300, 232260, 248850, 264600, 278712, 290325, 298620, 331800, 348390, 373275, 387100, 418068, 426600, 464520, 497700, 522585, 580650, 597240, 696780, 746550, 774200, 836136, 870975, 995400, 1045170, 1161300, 1393560, 1493100, 1741950, 2090340, 2322600, 2612925, 2986200, 3483900, 4180680, 5225850, 6967800, 10451700, 20903400]

約数ペア:

[(1, 20903400), (2, 10451700), (3, 6967800), (4, 5225850), (5, 4180680), (6, 3483900), (7, 2986200), (8, 2612925), (9, 2322600), (10, 2090340), (12, 1741950), (14, 1493100), (15, 1393560), (18, 1161300), (20, 1045170), (21, 995400), (24, 870975), (25, 836136), (27, 774200), (28, 746550), (30, 696780), (35, 597240), (36, 580650), (40, 522585), (42, 497700), (45, 464520), (49, 426600), (50, 418068), (54, 387100), (56, 373275), (60, 348390), (63, 331800), (70, 298620), (72, 290325), (75, 278712), (79, 264600), (84, 248850), (90, 232260), (98, 213300), (100, 209034), (105, 199080), (108, 193550), (120, 174195), (126, 165900), (135, 154840), (140, 149310), (147, 142200), (150, 139356), (158, 132300), (168, 124425), (175, 119448), (180, 116130), (189, 110600), (196, 106650), (200, 104517), (210, 99540), (216, 96775), (225, 92904), (237, 88200), (245, 85320), (252, 82950), (270, 77420), (280, 74655), (294, 71100), (300, 69678), (315, 66360), (316, 66150), (350, 59724), (360, 58065), (378, 55300), (392, 53325), (395, 52920), (420, 49770), (441, 47400), (450, 46452), (474, 44100), (490, 42660), (504, 41475), (525, 39816), (540, 38710), (553, 37800), (588, 35550), (600, 34839), (630, 33180), (632, 33075), (675, 30968), (700, 29862), (711, 29400), (735, 28440), (756, 27650), (790, 26460), (840, 24885), (882, 23700), (900, 23226), (945, 22120), (948, 22050), (980, 21330), (1050, 19908), (1080, 19355), (1106, 18900), (1176, 17775), (1185, 17640), (1225, 17064), (1260, 16590), (1323, 15800), (1350, 15484), (1400, 14931), (1422, 14700), (1470, 14220), (1512, 13825), (1575, 13272), (1580, 13230), (1659, 12600), (1764, 11850), (1800, 11613), (1890, 11060), (1896, 11025), (1960, 10665), (1975, 10584), (2100, 9954), (2133, 9800), (2205, 9480), (2212, 9450), (2370, 8820), (2450, 8532), (2520, 8295), (2646, 7900), (2700, 7742), (2765, 7560), (2844, 7350), (2940, 7110), (3150, 6636), (3160, 6615), (3318, 6300), (3528, 5925), (3555, 5880), (3675, 5688), (3780, 5530), (3871, 5400), (3950, 5292), (4200, 4977), (4266, 4900), (4410, 4740), (4424, 4725)]