20403616

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 41640480

約数和(自身を除く): 21236864

約数列:

[1, 2, 4, 8, 16, 32, 59, 101, 107, 118, 202, 214, 236, 404, 428, 472, 808, 856, 944, 1616, 1712, 1888, 3232, 3424, 5959, 6313, 10807, 11918, 12626, 21614, 23836, 25252, 43228, 47672, 50504, 86456, 95344, 101008, 172912, 190688, 202016, 345824, 637613, 1275226, 2550452, 5100904, 10201808, 20403616]

約数ペア:

[(1, 20403616), (2, 10201808), (4, 5100904), (8, 2550452), (16, 1275226), (32, 637613), (59, 345824), (101, 202016), (107, 190688), (118, 172912), (202, 101008), (214, 95344), (236, 86456), (404, 50504), (428, 47672), (472, 43228), (808, 25252), (856, 23836), (944, 21614), (1616, 12626), (1712, 11918), (1888, 10807), (3232, 6313), (3424, 5959)]