20161788828

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1\times {\mathrm{27197}}^1$

素因数の和:27746

約数の個数: 48

約数和(自身を含む): 47459422080

約数和(自身を除く): 27297633252

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 379, 489, 652, 758, 978, 1137, 1516, 1956, 2274, 4548, 27197, 54394, 61777, 81591, 108788, 123554, 163182, 185331, 247108, 326364, 370662, 741324, 4433111, 8866222, 10307663, 13299333, 17732444, 20615326, 26598666, 30922989, 41230652, 53197332, 61845978, 123691956, 1680149069, 3360298138, 5040447207, 6720596276, 10080894414, 20161788828]

約数ペア:

[(1, 20161788828), (2, 10080894414), (3, 6720596276), (4, 5040447207), (6, 3360298138), (12, 1680149069), (163, 123691956), (326, 61845978), (379, 53197332), (489, 41230652), (652, 30922989), (758, 26598666), (978, 20615326), (1137, 17732444), (1516, 13299333), (1956, 10307663), (2274, 8866222), (4548, 4433111), (27197, 741324), (54394, 370662), (61777, 326364), (81591, 247108), (108788, 185331), (123554, 163182)]