20185778860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2677159}}^1$

素因数の和:2677210

約数の個数: 48

約数和(自身を含む): 47225102400

約数和(自身を除く): 27039323540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 2677159, 5354318, 10708636, 13385795, 26771590, 34803067, 53543180, 69606134, 77637611, 139212268, 155275222, 174015335, 310550444, 348030670, 388188055, 696061340, 776376110, 1009288943, 1552752220, 2018577886, 4037155772, 5046444715, 10092889430, 20185778860]

約数ペア:

[(1, 20185778860), (2, 10092889430), (4, 5046444715), (5, 4037155772), (10, 2018577886), (13, 1552752220), (20, 1009288943), (26, 776376110), (29, 696061340), (52, 388188055), (58, 348030670), (65, 310550444), (116, 174015335), (130, 155275222), (145, 139212268), (260, 77637611), (290, 69606134), (377, 53543180), (580, 34803067), (754, 26771590), (1508, 13385795), (1885, 10708636), (3770, 5354318), (7540, 2677159)]