20512097564

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{437881}}^1$

素因数の和:438138

約数の個数: 36

約数和(自身を含む): 41931580320

約数和(自身を除く): 21419482756

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 478, 956, 1673, 3346, 6692, 11711, 23422, 46844, 437881, 875762, 1751524, 3065167, 6130334, 12260668, 21456169, 42912338, 85824676, 104653559, 209307118, 418614236, 732574913, 1465149826, 2930299652, 5128024391, 10256048782, 20512097564]

約数ペア:

[(1, 20512097564), (2, 10256048782), (4, 5128024391), (7, 2930299652), (14, 1465149826), (28, 732574913), (49, 418614236), (98, 209307118), (196, 104653559), (239, 85824676), (478, 42912338), (956, 21456169), (1673, 12260668), (3346, 6130334), (6692, 3065167), (11711, 1751524), (23422, 875762), (46844, 437881)]