20125456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96757}}^1$

素因数の和:96778

約数の個数: 20

約数和(自身を含む): 41992972

約数和(自身を除く): 21867516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96757, 193514, 387028, 774056, 1257841, 1548112, 2515682, 5031364, 10062728, 20125456]

約数ペア:

[(1, 20125456), (2, 10062728), (4, 5031364), (8, 2515682), (13, 1548112), (16, 1257841), (26, 774056), (52, 387028), (104, 193514), (208, 96757)]