20132599880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{177787}}^1$

素因数の和:177966

約数の個数: 64

約数和(自身を含む): 48002760000

約数和(自身を除く): 27870160120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 11324, 14155, 22648, 28310, 56620, 113240, 177787, 355574, 711148, 888935, 1422296, 1777870, 3377953, 3555740, 6755906, 7111480, 13511812, 16889765, 26490263, 27023624, 33779530, 52980526, 67559060, 105961052, 132451315, 135118120, 211922104, 264902630, 503314997, 529805260, 1006629994, 1059610520, 2013259988, 2516574985, 4026519976, 5033149970, 10066299940, 20132599880]

約数ペア:

[(1, 20132599880), (2, 10066299940), (4, 5033149970), (5, 4026519976), (8, 2516574985), (10, 2013259988), (19, 1059610520), (20, 1006629994), (38, 529805260), (40, 503314997), (76, 264902630), (95, 211922104), (149, 135118120), (152, 132451315), (190, 105961052), (298, 67559060), (380, 52980526), (596, 33779530), (745, 27023624), (760, 26490263), (1192, 16889765), (1490, 13511812), (2831, 7111480), (2980, 6755906), (5662, 3555740), (5960, 3377953), (11324, 1777870), (14155, 1422296), (22648, 888935), (28310, 711148), (56620, 355574), (113240, 177787)]