20013422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18693778

約数列:

[1, 2, 11, 13, 19, 22, 26, 29, 38, 58, 127, 143, 209, 247, 254, 286, 319, 377, 418, 494, 551, 638, 754, 1102, 1397, 1651, 2413, 2717, 2794, 3302, 3683, 4147, 4826, 5434, 6061, 7163, 7366, 8294, 12122, 14326, 18161, 26543, 31369, 36322, 40513, 47879, 53086, 62738, 69977, 78793, 81026, 95758, 139954, 157586, 345059, 526669, 690118, 769747, 909701, 1053338, 1539494, 1819402, 10006711, 20013422]

約数ペア:

[(1, 20013422), (2, 10006711), (11, 1819402), (13, 1539494), (19, 1053338), (22, 909701), (26, 769747), (29, 690118), (38, 526669), (58, 345059), (127, 157586), (143, 139954), (209, 95758), (247, 81026), (254, 78793), (286, 69977), (319, 62738), (377, 53086), (418, 47879), (494, 40513), (551, 36322), (638, 31369), (754, 26543), (1102, 18161), (1397, 14326), (1651, 12122), (2413, 8294), (2717, 7366), (2794, 7163), (3302, 6061), (3683, 5434), (4147, 4826)]