20176693904

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{467}}^1\times {\mathrm{12109}}^1$

素因数の和:12807

約数の個数: 40

約数和(自身を含む): 39354981120

約数和(自身を除く): 19178287216

約数列:

[1, 2, 4, 8, 16, 223, 446, 467, 892, 934, 1784, 1868, 3568, 3736, 7472, 12109, 24218, 48436, 96872, 104141, 193744, 208282, 416564, 833128, 1666256, 2700307, 5400614, 5654903, 10801228, 11309806, 21602456, 22619612, 43204912, 45239224, 90478448, 1261043369, 2522086738, 5044173476, 10088346952, 20176693904]

約数ペア:

[(1, 20176693904), (2, 10088346952), (4, 5044173476), (8, 2522086738), (16, 1261043369), (223, 90478448), (446, 45239224), (467, 43204912), (892, 22619612), (934, 21602456), (1784, 11309806), (1868, 10801228), (3568, 5654903), (3736, 5400614), (7472, 2700307), (12109, 1666256), (24218, 833128), (48436, 416564), (96872, 208282), (104141, 193744)]