20942516

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6619}}^1$

素因数の和:6743

約数の個数: 24

約数和(自身を含む): 42262080

約数和(自身を除く): 21319564

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6619, 13238, 26476, 46333, 92666, 185332, 747947, 1495894, 2991788, 5235629, 10471258, 20942516]

約数ペア:

[(1, 20942516), (2, 10471258), (4, 5235629), (7, 2991788), (14, 1495894), (28, 747947), (113, 185332), (226, 92666), (452, 46333), (791, 26476), (1582, 13238), (3164, 6619)]