20542643180

素因数分解:

$2^2\times 5^1\times {\mathrm{2719}}^1\times {\mathrm{377761}}^1$

素因数の和:380489

約数の個数: 24

約数和(自身を含む): 43155530880

約数和(自身を除く): 22612887700

約数列:

[1, 2, 4, 5, 10, 20, 2719, 5438, 10876, 13595, 27190, 54380, 377761, 755522, 1511044, 1888805, 3777610, 7555220, 1027132159, 2054264318, 4108528636, 5135660795, 10271321590, 20542643180]

約数ペア:

[(1, 20542643180), (2, 10271321590), (4, 5135660795), (5, 4108528636), (10, 2054264318), (20, 1027132159), (2719, 7555220), (5438, 3777610), (10876, 1888805), (13595, 1511044), (27190, 755522), (54380, 377761)]