20217804

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 28553268

約数列:

[1, 2, 3, 4, 6, 12, 53, 83, 106, 159, 166, 212, 249, 318, 332, 383, 498, 636, 766, 996, 1149, 1532, 2298, 4399, 4596, 8798, 13197, 17596, 20299, 26394, 31789, 40598, 52788, 60897, 63578, 81196, 95367, 121794, 127156, 190734, 243588, 381468, 1684817, 3369634, 5054451, 6739268, 10108902, 20217804]

約数ペア:

[(1, 20217804), (2, 10108902), (3, 6739268), (4, 5054451), (6, 3369634), (12, 1684817), (53, 381468), (83, 243588), (106, 190734), (159, 127156), (166, 121794), (212, 95367), (249, 81196), (318, 63578), (332, 60897), (383, 52788), (498, 40598), (636, 31789), (766, 26394), (996, 20299), (1149, 17596), (1532, 13197), (2298, 8798), (4399, 4596)]