20264332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20378228

約数列:

[1, 2, 4, 11, 22, 41, 44, 47, 82, 94, 164, 188, 239, 451, 478, 517, 902, 956, 1034, 1804, 1927, 2068, 2629, 3854, 5258, 7708, 9799, 10516, 11233, 19598, 21197, 22466, 39196, 42394, 44932, 84788, 107789, 123563, 215578, 247126, 431156, 460553, 494252, 921106, 1842212, 5066083, 10132166, 20264332]

約数ペア:

[(1, 20264332), (2, 10132166), (4, 5066083), (11, 1842212), (22, 921106), (41, 494252), (44, 460553), (47, 431156), (82, 247126), (94, 215578), (164, 123563), (188, 107789), (239, 84788), (451, 44932), (478, 42394), (517, 39196), (902, 22466), (956, 21197), (1034, 19598), (1804, 11233), (1927, 10516), (2068, 9799), (2629, 7708), (3854, 5258)]