20744852016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{258329}}^1$

素因数の和:258586

約数の個数: 80

約数和(自身を含む): 61503206400

約数和(自身を除く): 40758354384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 336, 478, 717, 956, 1434, 1673, 1912, 2868, 3346, 3824, 5019, 5736, 6692, 10038, 11472, 13384, 20076, 26768, 40152, 80304, 258329, 516658, 774987, 1033316, 1549974, 1808303, 2066632, 3099948, 3616606, 4133264, 5424909, 6199896, 7233212, 10849818, 12399792, 14466424, 21699636, 28932848, 43399272, 61740631, 86798544, 123481262, 185221893, 246962524, 370443786, 432184417, 493925048, 740887572, 864368834, 987850096, 1296553251, 1481775144, 1728737668, 2593106502, 2963550288, 3457475336, 5186213004, 6914950672, 10372426008, 20744852016]

約数ペア:

[(1, 20744852016), (2, 10372426008), (3, 6914950672), (4, 5186213004), (6, 3457475336), (7, 2963550288), (8, 2593106502), (12, 1728737668), (14, 1481775144), (16, 1296553251), (21, 987850096), (24, 864368834), (28, 740887572), (42, 493925048), (48, 432184417), (56, 370443786), (84, 246962524), (112, 185221893), (168, 123481262), (239, 86798544), (336, 61740631), (478, 43399272), (717, 28932848), (956, 21699636), (1434, 14466424), (1673, 12399792), (1912, 10849818), (2868, 7233212), (3346, 6199896), (3824, 5424909), (5019, 4133264), (5736, 3616606), (6692, 3099948), (10038, 2066632), (11472, 1808303), (13384, 1549974), (20076, 1033316), (26768, 774987), (40152, 516658), (80304, 258329)]