20149658

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:598

約数の個数: 24

約数和(自身を含む): 32625504

約数和(自身を除く): 12475846

約数列:

[1, 2, 17, 34, 71, 142, 289, 491, 578, 982, 1207, 2414, 8347, 16694, 20519, 34861, 41038, 69722, 141899, 283798, 592637, 1185274, 10074829, 20149658]

約数ペア:

[(1, 20149658), (2, 10074829), (17, 1185274), (34, 592637), (71, 283798), (142, 141899), (289, 69722), (491, 41038), (578, 34861), (982, 20519), (1207, 16694), (2414, 8347)]