20152122

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4111}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 43422720

約数和(自身を除く): 23270598

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4111, 4902, 8222, 12333, 24666, 78109, 156218, 176773, 234327, 353546, 468654, 530319, 1060638, 3358687, 6717374, 10076061, 20152122]

約数ペア:

[(1, 20152122), (2, 10076061), (3, 6717374), (6, 3358687), (19, 1060638), (38, 530319), (43, 468654), (57, 353546), (86, 234327), (114, 176773), (129, 156218), (258, 78109), (817, 24666), (1634, 12333), (2451, 8222), (4111, 4902)]