20347746128

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{1759}}^1\times {\mathrm{2749}}^1$

素因数の和:4779

約数の個数: 40

約数和(自身を含む): 39610560000

約数和(自身を除く): 19262813872

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 1759, 2104, 2749, 3518, 4208, 5498, 7036, 10996, 14072, 21992, 28144, 43984, 462617, 722987, 925234, 1445974, 1850468, 2891948, 3700936, 4835491, 5783896, 7401872, 9670982, 11567792, 19341964, 38683928, 77367856, 1271734133, 2543468266, 5086936532, 10173873064, 20347746128]

約数ペア:

[(1, 20347746128), (2, 10173873064), (4, 5086936532), (8, 2543468266), (16, 1271734133), (263, 77367856), (526, 38683928), (1052, 19341964), (1759, 11567792), (2104, 9670982), (2749, 7401872), (3518, 5783896), (4208, 4835491), (5498, 3700936), (7036, 2891948), (10996, 1850468), (14072, 1445974), (21992, 925234), (28144, 722987), (43984, 462617)]