20128444

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19429}}^1$

素因数の和:19477

約数の個数: 24

約数和(自身を含む): 41347040

約数和(自身を除く): 21218596

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19429, 38858, 77716, 136003, 272006, 544012, 718873, 1437746, 2875492, 5032111, 10064222, 20128444]

約数ペア:

[(1, 20128444), (2, 10064222), (4, 5032111), (7, 2875492), (14, 1437746), (28, 718873), (37, 544012), (74, 272006), (148, 136003), (259, 77716), (518, 38858), (1036, 19429)]