20199578572

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 37527053760

約数和(自身を除く): 17327475188

約数列:

[1, 2, 4, 37, 53, 74, 79, 106, 148, 158, 212, 316, 881, 1369, 1762, 1961, 2738, 2923, 3524, 3922, 4187, 5476, 5846, 7844, 8374, 11692, 16748, 32597, 46693, 65194, 69599, 72557, 93386, 108151, 130388, 139198, 145114, 154919, 186772, 216302, 278396, 290228, 309838, 432604, 619676, 1206089, 1727641, 2412178, 2575163, 3455282, 3688747, 4824356, 5150326, 5732003, 6910564, 7377494, 10300652, 11464006, 14754988, 22928012, 63922717, 95281031, 127845434, 136483639, 190562062, 255690868, 272967278, 381124124, 545934556, 5049894643, 10099789286, 20199578572]

約数ペア:

[(1, 20199578572), (2, 10099789286), (4, 5049894643), (37, 545934556), (53, 381124124), (74, 272967278), (79, 255690868), (106, 190562062), (148, 136483639), (158, 127845434), (212, 95281031), (316, 63922717), (881, 22928012), (1369, 14754988), (1762, 11464006), (1961, 10300652), (2738, 7377494), (2923, 6910564), (3524, 5732003), (3922, 5150326), (4187, 4824356), (5476, 3688747), (5846, 3455282), (7844, 2575163), (8374, 2412178), (11692, 1727641), (16748, 1206089), (32597, 619676), (46693, 432604), (65194, 309838), (69599, 290228), (72557, 278396), (93386, 216302), (108151, 186772), (130388, 154919), (139198, 145114)]