20888252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67819}}^1$

素因数の和:67841

約数の個数: 24

約数和(自身を含む): 45575040

約数和(自身を除く): 24686788

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67819, 135638, 271276, 474733, 746009, 949466, 1492018, 1898932, 2984036, 5222063, 10444126, 20888252]

約数ペア:

[(1, 20888252), (2, 10444126), (4, 5222063), (7, 2984036), (11, 1898932), (14, 1492018), (22, 949466), (28, 746009), (44, 474733), (77, 271276), (154, 135638), (308, 67819)]