20163955990

素因数分解:

$2^1\times 5^1\times {\mathrm{14503}}^1\times {\mathrm{139033}}^1$

素因数の和:153543

約数の個数: 16

約数和(自身を含む): 36297884448

約数和(自身を除く): 16133928458

約数列:

[1, 2, 5, 10, 14503, 29006, 72515, 139033, 145030, 278066, 695165, 1390330, 2016395599, 4032791198, 10081977995, 20163955990]

約数ペア:

[(1, 20163955990), (2, 10081977995), (5, 4032791198), (10, 2016395599), (14503, 1390330), (29006, 695165), (72515, 278066), (139033, 145030)]