20490072

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32386728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 101, 107, 158, 202, 214, 237, 303, 316, 321, 404, 428, 474, 606, 632, 642, 808, 856, 948, 1212, 1284, 1896, 2424, 2568, 7979, 8453, 10807, 15958, 16906, 21614, 23937, 25359, 31916, 32421, 33812, 43228, 47874, 50718, 63832, 64842, 67624, 86456, 95748, 101436, 129684, 191496, 202872, 259368, 853753, 1707506, 2561259, 3415012, 5122518, 6830024, 10245036, 20490072]

約数ペア:

[(1, 20490072), (2, 10245036), (3, 6830024), (4, 5122518), (6, 3415012), (8, 2561259), (12, 1707506), (24, 853753), (79, 259368), (101, 202872), (107, 191496), (158, 129684), (202, 101436), (214, 95748), (237, 86456), (303, 67624), (316, 64842), (321, 63832), (404, 50718), (428, 47874), (474, 43228), (606, 33812), (632, 32421), (642, 31916), (808, 25359), (856, 23937), (948, 21614), (1212, 16906), (1284, 15958), (1896, 10807), (2424, 8453), (2568, 7979)]