20875194900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{1013}}^1\times {\mathrm{3271}}^1$

素因数の和:4311

約数の個数: 216

約数和(自身を含む): 74876290944

約数和(自身を除く): 54001096044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1013, 1050, 1260, 1575, 2026, 2100, 3039, 3150, 3271, 4052, 5065, 6078, 6300, 6542, 7091, 9117, 9813, 10130, 12156, 13084, 14182, 15195, 16355, 18234, 19626, 20260, 21273, 22897, 25325, 28364, 29439, 30390, 32710, 35455, 36468, 39252, 42546, 45585, 45794, 49065, 50650, 58878, 60780, 63819, 65420, 68691, 70910, 75975, 81775, 85092, 91170, 91588, 98130, 101300, 106365, 114485, 117756, 127638, 137382, 141820, 147195, 151950, 163550, 177275, 182340, 196260, 206073, 212730, 227925, 228970, 245325, 255276, 274764, 294390, 303900, 319095, 327100, 343455, 354550, 412146, 425460, 455850, 457940, 490650, 531825, 572425, 588780, 638190, 686910, 709100, 735975, 824292, 911700, 981300, 1030365, 1063650, 1144850, 1276380, 1373820, 1471950, 1595475, 1717275, 2060730, 2127300, 2289700, 2943900, 3190950, 3313523, 3434550, 4121460, 5151825, 6381900, 6627046, 6869100, 9940569, 10303650, 13254092, 16567615, 19881138, 20607300, 23194661, 29821707, 33135230, 39762276, 46389322, 49702845, 59643414, 66270460, 69583983, 82838075, 92778644, 99405690, 115973305, 119286828, 139167966, 149108535, 165676150, 198811380, 208751949, 231946610, 248514225, 278335932, 298217070, 331352300, 347919915, 417503898, 463893220, 497028450, 579866525, 596434140, 695839830, 745542675, 835007796, 994056900, 1043759745, 1159733050, 1391679660, 1491085350, 1739599575, 2087519490, 2319466100, 2982170700, 3479199150, 4175038980, 5218798725, 6958398300, 10437597450, 20875194900]

約数ペア:

[(1, 20875194900), (2, 10437597450), (3, 6958398300), (4, 5218798725), (5, 4175038980), (6, 3479199150), (7, 2982170700), (9, 2319466100), (10, 2087519490), (12, 1739599575), (14, 1491085350), (15, 1391679660), (18, 1159733050), (20, 1043759745), (21, 994056900), (25, 835007796), (28, 745542675), (30, 695839830), (35, 596434140), (36, 579866525), (42, 497028450), (45, 463893220), (50, 417503898), (60, 347919915), (63, 331352300), (70, 298217070), (75, 278335932), (84, 248514225), (90, 231946610), (100, 208751949), (105, 198811380), (126, 165676150), (140, 149108535), (150, 139167966), (175, 119286828), (180, 115973305), (210, 99405690), (225, 92778644), (252, 82838075), (300, 69583983), (315, 66270460), (350, 59643414), (420, 49702845), (450, 46389322), (525, 39762276), (630, 33135230), (700, 29821707), (900, 23194661), (1013, 20607300), (1050, 19881138), (1260, 16567615), (1575, 13254092), (2026, 10303650), (2100, 9940569), (3039, 6869100), (3150, 6627046), (3271, 6381900), (4052, 5151825), (5065, 4121460), (6078, 3434550), (6300, 3313523), (6542, 3190950), (7091, 2943900), (9117, 2289700), (9813, 2127300), (10130, 2060730), (12156, 1717275), (13084, 1595475), (14182, 1471950), (15195, 1373820), (16355, 1276380), (18234, 1144850), (19626, 1063650), (20260, 1030365), (21273, 981300), (22897, 911700), (25325, 824292), (28364, 735975), (29439, 709100), (30390, 686910), (32710, 638190), (35455, 588780), (36468, 572425), (39252, 531825), (42546, 490650), (45585, 457940), (45794, 455850), (49065, 425460), (50650, 412146), (58878, 354550), (60780, 343455), (63819, 327100), (65420, 319095), (68691, 303900), (70910, 294390), (75975, 274764), (81775, 255276), (85092, 245325), (91170, 228970), (91588, 227925), (98130, 212730), (101300, 206073), (106365, 196260), (114485, 182340), (117756, 177275), (127638, 163550), (137382, 151950), (141820, 147195)]