20498036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20747}}^1$

素因数の和:20783

約数の個数: 24

約数和(自身を含む): 40666080

約数和(自身を除く): 20168044

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20747, 41494, 82988, 269711, 394193, 539422, 788386, 1078844, 1576772, 5124509, 10249018, 20498036]

約数ペア:

[(1, 20498036), (2, 10249018), (4, 5124509), (13, 1576772), (19, 1078844), (26, 788386), (38, 539422), (52, 394193), (76, 269711), (247, 82988), (494, 41494), (988, 20747)]