20988528045

素因数分解:

$3^1\times 5^1\times {\mathrm{84869}}^1\times {\mathrm{16487}}^1$

素因数の和:101364

約数の個数: 16

約数和(自身を含む): 33584077440

約数和(自身を除く): 12595549395

約数列:

[1, 3, 5, 15, 16487, 49461, 82435, 84869, 247305, 254607, 424345, 1273035, 1399235203, 4197705609, 6996176015, 20988528045]

約数ペア:

[(1, 20988528045), (3, 6996176015), (5, 4197705609), (15, 1399235203), (16487, 1273035), (49461, 424345), (82435, 254607), (84869, 247305)]