20199851903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2437}}^1\times {\mathrm{107647}}^1$

素因数の和:110102

約数の個数: 16

約数和(自身を含む): 25194799104

約数和(自身を除く): 4994947201

約数列:

[1, 7, 11, 77, 2437, 17059, 26807, 107647, 187649, 753529, 1184117, 8288819, 262335739, 1836350173, 2885693129, 20199851903]

約数ペア:

[(1, 20199851903), (7, 2885693129), (11, 1836350173), (77, 262335739), (2437, 8288819), (17059, 1184117), (26807, 753529), (107647, 187649)]