20693576

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 19050424

約数列:

[1, 2, 4, 8, 79, 137, 158, 239, 274, 316, 478, 548, 632, 956, 1096, 1912, 10823, 18881, 21646, 32743, 37762, 43292, 65486, 75524, 86584, 130972, 151048, 261944, 2586697, 5173394, 10346788, 20693576]

約数ペア:

[(1, 20693576), (2, 10346788), (4, 5173394), (8, 2586697), (79, 261944), (137, 151048), (158, 130972), (239, 86584), (274, 75524), (316, 65486), (478, 43292), (548, 37762), (632, 32743), (956, 21646), (1096, 18881), (1912, 10823)]