20552181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 30748032

約数和(自身を除く): 10195851

約数列:

[1, 3, 13, 39, 53, 61, 159, 163, 183, 489, 689, 793, 2067, 2119, 2379, 3233, 6357, 8639, 9699, 9943, 25917, 29829, 42029, 112307, 126087, 129259, 336921, 387777, 526979, 1580937, 6850727, 20552181]

約数ペア:

[(1, 20552181), (3, 6850727), (13, 1580937), (39, 526979), (53, 387777), (61, 336921), (159, 129259), (163, 126087), (183, 112307), (489, 42029), (689, 29829), (793, 25917), (2067, 9943), (2119, 9699), (2379, 8639), (3233, 6357)]