20348064020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{575129}}^1$

素因数の和:575228

約数の個数: 48

約数和(自身を含む): 44929155600

約数和(自身を除く): 24581091580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 35380, 575129, 1150258, 2300516, 2875645, 5751290, 11502580, 16678741, 33357482, 35082869, 66714964, 70165738, 83393705, 140331476, 166787410, 175414345, 333574820, 350828690, 701657380, 1017403201, 2034806402, 4069612804, 5087016005, 10174032010, 20348064020]

約数ペア:

[(1, 20348064020), (2, 10174032010), (4, 5087016005), (5, 4069612804), (10, 2034806402), (20, 1017403201), (29, 701657380), (58, 350828690), (61, 333574820), (116, 175414345), (122, 166787410), (145, 140331476), (244, 83393705), (290, 70165738), (305, 66714964), (580, 35082869), (610, 33357482), (1220, 16678741), (1769, 11502580), (3538, 5751290), (7076, 2875645), (8845, 2300516), (17690, 1150258), (35380, 575129)]