20217208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7411}}^1$

素因数の和:7459

約数の個数: 32

約数和(自身を含む): 42693120

約数和(自身を除く): 22475912

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7411, 14822, 29644, 59288, 81521, 163042, 229741, 326084, 459482, 652168, 918964, 1837928, 2527151, 5054302, 10108604, 20217208]

約数ペア:

[(1, 20217208), (2, 10108604), (4, 5054302), (8, 2527151), (11, 1837928), (22, 918964), (31, 652168), (44, 459482), (62, 326084), (88, 229741), (124, 163042), (248, 81521), (341, 59288), (682, 29644), (1364, 14822), (2728, 7411)]