20534994

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 36

約数和(自身を含む): 45625086

約数和(自身を除く): 25090092

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 617, 774, 1234, 1849, 1851, 3698, 3702, 5547, 5553, 11094, 11106, 16641, 26531, 33282, 53062, 79593, 159186, 238779, 477558, 1140833, 2281666, 3422499, 6844998, 10267497, 20534994]

約数ペア:

[(1, 20534994), (2, 10267497), (3, 6844998), (6, 3422499), (9, 2281666), (18, 1140833), (43, 477558), (86, 238779), (129, 159186), (258, 79593), (387, 53062), (617, 33282), (774, 26531), (1234, 16641), (1849, 11106), (1851, 11094), (3698, 5553), (3702, 5547)]