20153587775

素因数分解:

$5^2\times {\mathrm{227}}^1\times {\mathrm{509}}^1\times {\mathrm{6977}}^1$

素因数の和:7723

約数の個数: 24

約数和(自身を含む): 25153457040

約数和(自身を除く): 4999869265

約数列:

[1, 5, 25, 227, 509, 1135, 2545, 5675, 6977, 12725, 34885, 115543, 174425, 577715, 1583779, 2888575, 3551293, 7918895, 17756465, 39594475, 88782325, 806143511, 4030717555, 20153587775]

約数ペア:

[(1, 20153587775), (5, 4030717555), (25, 806143511), (227, 88782325), (509, 39594475), (1135, 17756465), (2545, 7918895), (5675, 3551293), (6977, 2888575), (12725, 1583779), (34885, 577715), (115543, 174425)]