20672204

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 44235072

約数和(自身を除く): 23562868

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 137, 238, 274, 317, 476, 548, 634, 959, 1268, 1918, 2219, 2329, 3836, 4438, 4658, 5389, 8876, 9316, 10778, 16303, 21556, 32606, 37723, 43429, 65212, 75446, 86858, 150892, 173716, 304003, 608006, 738293, 1216012, 1476586, 2953172, 5168051, 10336102, 20672204]

約数ペア:

[(1, 20672204), (2, 10336102), (4, 5168051), (7, 2953172), (14, 1476586), (17, 1216012), (28, 738293), (34, 608006), (68, 304003), (119, 173716), (137, 150892), (238, 86858), (274, 75446), (317, 65212), (476, 43429), (548, 37723), (634, 32606), (959, 21556), (1268, 16303), (1918, 10778), (2219, 9316), (2329, 8876), (3836, 5389), (4438, 4658)]