20698080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 73156608

約数和(自身を除く): 52458528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 96, 104, 107, 120, 124, 130, 155, 156, 160, 186, 195, 208, 214, 240, 248, 260, 310, 312, 321, 372, 390, 403, 416, 428, 465, 480, 496, 520, 535, 620, 624, 642, 744, 780, 806, 856, 930, 992, 1040, 1070, 1209, 1240, 1248, 1284, 1391, 1488, 1560, 1605, 1612, 1712, 1860, 2015, 2080, 2140, 2418, 2480, 2568, 2782, 2976, 3120, 3210, 3224, 3317, 3424, 3720, 4030, 4173, 4280, 4836, 4960, 5136, 5564, 6045, 6240, 6420, 6448, 6634, 6955, 7440, 8060, 8346, 8560, 9672, 9951, 10272, 11128, 12090, 12840, 12896, 13268, 13910, 14880, 16120, 16585, 16692, 17120, 19344, 19902, 20865, 22256, 24180, 25680, 26536, 27820, 32240, 33170, 33384, 38688, 39804, 41730, 43121, 44512, 48360, 49755, 51360, 53072, 55640, 64480, 66340, 66768, 79608, 83460, 86242, 96720, 99510, 106144, 111280, 129363, 132680, 133536, 159216, 166920, 172484, 193440, 199020, 215605, 222560, 258726, 265360, 318432, 333840, 344968, 398040, 431210, 517452, 530720, 646815, 667680, 689936, 796080, 862420, 1034904, 1293630, 1379872, 1592160, 1724840, 2069808, 2587260, 3449680, 4139616, 5174520, 6899360, 10349040, 20698080]

約数ペア:

[(1, 20698080), (2, 10349040), (3, 6899360), (4, 5174520), (5, 4139616), (6, 3449680), (8, 2587260), (10, 2069808), (12, 1724840), (13, 1592160), (15, 1379872), (16, 1293630), (20, 1034904), (24, 862420), (26, 796080), (30, 689936), (31, 667680), (32, 646815), (39, 530720), (40, 517452), (48, 431210), (52, 398040), (60, 344968), (62, 333840), (65, 318432), (78, 265360), (80, 258726), (93, 222560), (96, 215605), (104, 199020), (107, 193440), (120, 172484), (124, 166920), (130, 159216), (155, 133536), (156, 132680), (160, 129363), (186, 111280), (195, 106144), (208, 99510), (214, 96720), (240, 86242), (248, 83460), (260, 79608), (310, 66768), (312, 66340), (321, 64480), (372, 55640), (390, 53072), (403, 51360), (416, 49755), (428, 48360), (465, 44512), (480, 43121), (496, 41730), (520, 39804), (535, 38688), (620, 33384), (624, 33170), (642, 32240), (744, 27820), (780, 26536), (806, 25680), (856, 24180), (930, 22256), (992, 20865), (1040, 19902), (1070, 19344), (1209, 17120), (1240, 16692), (1248, 16585), (1284, 16120), (1391, 14880), (1488, 13910), (1560, 13268), (1605, 12896), (1612, 12840), (1712, 12090), (1860, 11128), (2015, 10272), (2080, 9951), (2140, 9672), (2418, 8560), (2480, 8346), (2568, 8060), (2782, 7440), (2976, 6955), (3120, 6634), (3210, 6448), (3224, 6420), (3317, 6240), (3424, 6045), (3720, 5564), (4030, 5136), (4173, 4960), (4280, 4836)]