20789722240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{14639}}^1$

素因数の和:14982

約数の個数: 128

約数和(自身を含む): 56983564800

約数和(自身を除く): 36193842560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 317, 320, 448, 560, 634, 640, 896, 1120, 1268, 1585, 2219, 2240, 2536, 3170, 4438, 4480, 5072, 6340, 8876, 10144, 11095, 12680, 14639, 17752, 20288, 22190, 25360, 29278, 35504, 40576, 44380, 50720, 58556, 71008, 73195, 88760, 101440, 102473, 117112, 142016, 146390, 177520, 202880, 204946, 234224, 284032, 292780, 355040, 409892, 468448, 512365, 585560, 710080, 819784, 936896, 1024730, 1171120, 1420160, 1639568, 1873792, 2049460, 2342240, 3279136, 4098920, 4640563, 4684480, 6558272, 8197840, 9281126, 9368960, 13116544, 16395680, 18562252, 23202815, 32483941, 32791360, 37124504, 46405630, 64967882, 65582720, 74249008, 92811260, 129935764, 148498016, 162419705, 185622520, 259871528, 296996032, 324839410, 371245040, 519743056, 593992064, 649678820, 742490080, 1039486112, 1299357640, 1484980160, 2078972224, 2598715280, 2969960320, 4157944448, 5197430560, 10394861120, 20789722240]

約数ペア:

[(1, 20789722240), (2, 10394861120), (4, 5197430560), (5, 4157944448), (7, 2969960320), (8, 2598715280), (10, 2078972224), (14, 1484980160), (16, 1299357640), (20, 1039486112), (28, 742490080), (32, 649678820), (35, 593992064), (40, 519743056), (56, 371245040), (64, 324839410), (70, 296996032), (80, 259871528), (112, 185622520), (128, 162419705), (140, 148498016), (160, 129935764), (224, 92811260), (280, 74249008), (317, 65582720), (320, 64967882), (448, 46405630), (560, 37124504), (634, 32791360), (640, 32483941), (896, 23202815), (1120, 18562252), (1268, 16395680), (1585, 13116544), (2219, 9368960), (2240, 9281126), (2536, 8197840), (3170, 6558272), (4438, 4684480), (4480, 4640563), (5072, 4098920), (6340, 3279136), (8876, 2342240), (10144, 2049460), (11095, 1873792), (12680, 1639568), (14639, 1420160), (17752, 1171120), (20288, 1024730), (22190, 936896), (25360, 819784), (29278, 710080), (35504, 585560), (40576, 512365), (44380, 468448), (50720, 409892), (58556, 355040), (71008, 292780), (73195, 284032), (88760, 234224), (101440, 204946), (102473, 202880), (117112, 177520), (142016, 146390)]