20139804

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 53464320

約数和(自身を除く): 33324516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 101, 116, 174, 191, 202, 261, 303, 348, 382, 404, 522, 573, 606, 764, 909, 1044, 1146, 1212, 1719, 1818, 2292, 2929, 3438, 3636, 5539, 5858, 6876, 8787, 11078, 11716, 16617, 17574, 19291, 22156, 26361, 33234, 35148, 38582, 49851, 52722, 57873, 66468, 77164, 99702, 105444, 115746, 173619, 199404, 231492, 347238, 559439, 694476, 1118878, 1678317, 2237756, 3356634, 5034951, 6713268, 10069902, 20139804]

約数ペア:

[(1, 20139804), (2, 10069902), (3, 6713268), (4, 5034951), (6, 3356634), (9, 2237756), (12, 1678317), (18, 1118878), (29, 694476), (36, 559439), (58, 347238), (87, 231492), (101, 199404), (116, 173619), (174, 115746), (191, 105444), (202, 99702), (261, 77164), (303, 66468), (348, 57873), (382, 52722), (404, 49851), (522, 38582), (573, 35148), (606, 33234), (764, 26361), (909, 22156), (1044, 19291), (1146, 17574), (1212, 16617), (1719, 11716), (1818, 11078), (2292, 8787), (2929, 6876), (3438, 5858), (3636, 5539)]