20214796

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6389}}^1$

素因数の和:6513

約数の個数: 24

約数和(自身を含む): 40793760

約数和(自身を除く): 20578964

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6389, 12778, 25556, 44723, 89446, 178892, 721957, 1443914, 2887828, 5053699, 10107398, 20214796]

約数ペア:

[(1, 20214796), (2, 10107398), (4, 5053699), (7, 2887828), (14, 1443914), (28, 721957), (113, 178892), (226, 89446), (452, 44723), (791, 25556), (1582, 12778), (3164, 6389)]