20748712

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 40273920

約数和(自身を除く): 19525208

約数列:

[1, 2, 4, 8, 37, 74, 148, 191, 296, 367, 382, 734, 764, 1468, 1528, 2936, 7067, 13579, 14134, 27158, 28268, 54316, 56536, 70097, 108632, 140194, 280388, 560776, 2593589, 5187178, 10374356, 20748712]

約数ペア:

[(1, 20748712), (2, 10374356), (4, 5187178), (8, 2593589), (37, 560776), (74, 280388), (148, 140194), (191, 108632), (296, 70097), (367, 56536), (382, 54316), (734, 28268), (764, 27158), (1468, 14134), (1528, 13579), (2936, 7067)]