20825584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1697}}^1$

素因数の和:1777

約数の個数: 40

約数和(自身を含む): 44215920

約数和(自身を除く): 23390336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 1697, 3068, 3394, 6136, 6788, 12272, 13576, 22061, 27152, 44122, 88244, 100123, 176488, 200246, 352976, 400492, 800984, 1301599, 1601968, 2603198, 5206396, 10412792, 20825584]

約数ペア:

[(1, 20825584), (2, 10412792), (4, 5206396), (8, 2603198), (13, 1601968), (16, 1301599), (26, 800984), (52, 400492), (59, 352976), (104, 200246), (118, 176488), (208, 100123), (236, 88244), (472, 44122), (767, 27152), (944, 22061), (1534, 13576), (1697, 12272), (3068, 6788), (3394, 6136)]