20163016220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{233747}}^1$

素因数の和:234002

約数の個数: 48

約数和(自身を含む): 44767416960

約数和(自身を除く): 24604400740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 2270, 4313, 4540, 8626, 17252, 21565, 43130, 86260, 233747, 467494, 934988, 1168735, 2337470, 4441193, 4674940, 8882386, 17764772, 22205965, 44411930, 53060569, 88823860, 106121138, 212242276, 265302845, 530605690, 1008150811, 1061211380, 2016301622, 4032603244, 5040754055, 10081508110, 20163016220]

約数ペア:

[(1, 20163016220), (2, 10081508110), (4, 5040754055), (5, 4032603244), (10, 2016301622), (19, 1061211380), (20, 1008150811), (38, 530605690), (76, 265302845), (95, 212242276), (190, 106121138), (227, 88823860), (380, 53060569), (454, 44411930), (908, 22205965), (1135, 17764772), (2270, 8882386), (4313, 4674940), (4540, 4441193), (8626, 2337470), (17252, 1168735), (21565, 934988), (43130, 467494), (86260, 233747)]