20110864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 41702688

約数和(自身を除く): 21591824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 691, 856, 1382, 1712, 1819, 2764, 3638, 5528, 7276, 11056, 11747, 14552, 23494, 29104, 46988, 73937, 93976, 147874, 187952, 295748, 591496, 1182992, 1256929, 2513858, 5027716, 10055432, 20110864]

約数ペア:

[(1, 20110864), (2, 10055432), (4, 5027716), (8, 2513858), (16, 1256929), (17, 1182992), (34, 591496), (68, 295748), (107, 187952), (136, 147874), (214, 93976), (272, 73937), (428, 46988), (691, 29104), (856, 23494), (1382, 14552), (1712, 11747), (1819, 11056), (2764, 7276), (3638, 5528)]