20197928515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{7789}}^1\times {\mathrm{22549}}^1$

素因数の和:30366

約数の個数: 16

約数和(自身を含む): 25295688000

約数和(自身を除く): 5097759485

約数列:

[1, 5, 23, 115, 7789, 22549, 38945, 112745, 179147, 518627, 895735, 2593135, 175634161, 878170805, 4039585703, 20197928515]

約数ペア:

[(1, 20197928515), (5, 4039585703), (23, 878170805), (115, 175634161), (7789, 2593135), (22549, 895735), (38945, 518627), (112745, 179147)]