20198190448

素因数分解:

$2^4\times {\mathrm{30931}}^1\times {\mathrm{40813}}^1$

素因数の和:71752

約数の個数: 20

約数和(自身を含む): 39136218088

約数和(自身を除く): 18938027640

約数列:

[1, 2, 4, 8, 16, 30931, 40813, 61862, 81626, 123724, 163252, 247448, 326504, 494896, 653008, 1262386903, 2524773806, 5049547612, 10099095224, 20198190448]

約数ペア:

[(1, 20198190448), (2, 10099095224), (4, 5049547612), (8, 2524773806), (16, 1262386903), (30931, 653008), (40813, 494896), (61862, 326504), (81626, 247448), (123724, 163252)]