20174072

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 18576328

約数列:

[1, 2, 4, 8, 79, 137, 158, 233, 274, 316, 466, 548, 632, 932, 1096, 1864, 10823, 18407, 21646, 31921, 36814, 43292, 63842, 73628, 86584, 127684, 147256, 255368, 2521759, 5043518, 10087036, 20174072]

約数ペア:

[(1, 20174072), (2, 10087036), (4, 5043518), (8, 2521759), (79, 255368), (137, 147256), (158, 127684), (233, 86584), (274, 73628), (316, 63842), (466, 43292), (548, 36814), (632, 31921), (932, 21646), (1096, 18407), (1864, 10823)]