20403373669

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{18104147}}^1$

素因数の和:18104184

約数の個数: 12

約数和(自身を含む): 24766474464

約数和(自身を除く): 4363100795

約数列:

[1, 7, 23, 49, 161, 1127, 18104147, 126729029, 416395381, 887103203, 2914767667, 20403373669]

約数ペア:

[(1, 20403373669), (7, 2914767667), (23, 887103203), (49, 416395381), (161, 126729029), (1127, 18104147)]