20210728

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 38851200

約数和(自身を除く): 18640472

約数列:

[1, 2, 4, 8, 79, 113, 158, 226, 283, 316, 452, 566, 632, 904, 1132, 2264, 8927, 17854, 22357, 31979, 35708, 44714, 63958, 71416, 89428, 127916, 178856, 255832, 2526341, 5052682, 10105364, 20210728]

約数ペア:

[(1, 20210728), (2, 10105364), (4, 5052682), (8, 2526341), (79, 255832), (113, 178856), (158, 127916), (226, 89428), (283, 71416), (316, 63958), (452, 44714), (566, 35708), (632, 31979), (904, 22357), (1132, 17854), (2264, 8927)]