20974266

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 25807014

約数列:

[1, 2, 3, 6, 9, 18, 83, 101, 139, 166, 202, 249, 278, 303, 417, 498, 606, 747, 834, 909, 1251, 1494, 1818, 2502, 8383, 11537, 14039, 16766, 23074, 25149, 28078, 34611, 42117, 50298, 69222, 75447, 84234, 103833, 126351, 150894, 207666, 252702, 1165237, 2330474, 3495711, 6991422, 10487133, 20974266]

約数ペア:

[(1, 20974266), (2, 10487133), (3, 6991422), (6, 3495711), (9, 2330474), (18, 1165237), (83, 252702), (101, 207666), (139, 150894), (166, 126351), (202, 103833), (249, 84234), (278, 75447), (303, 69222), (417, 50298), (498, 42117), (606, 34611), (747, 28078), (834, 25149), (909, 23074), (1251, 16766), (1494, 14039), (1818, 11537), (2502, 8383)]