20498278

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{547}}^1$

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 31623984

約数和(自身を除く): 11125706

約数列:

[1, 2, 41, 82, 457, 547, 914, 1094, 18737, 22427, 37474, 44854, 249979, 499958, 10249139, 20498278]

約数ペア:

[(1, 20498278), (2, 10249139), (41, 499958), (82, 249979), (457, 44854), (547, 37474), (914, 22427), (1094, 18737)]