20218088920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{425107}}^1$

素因数の和:425188

約数の個数: 64

約数和(自身を含む): 48207247200

約数和(自身を除く): 27989158280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1160, 1189, 1640, 2378, 4756, 5945, 9512, 11890, 23780, 47560, 425107, 850214, 1700428, 2125535, 3400856, 4251070, 8502140, 12328103, 17004280, 17429387, 24656206, 34858774, 49312412, 61640515, 69717548, 87146935, 98624824, 123281030, 139435096, 174293870, 246562060, 348587740, 493124120, 505452223, 697175480, 1010904446, 2021808892, 2527261115, 4043617784, 5054522230, 10109044460, 20218088920]

約数ペア:

[(1, 20218088920), (2, 10109044460), (4, 5054522230), (5, 4043617784), (8, 2527261115), (10, 2021808892), (20, 1010904446), (29, 697175480), (40, 505452223), (41, 493124120), (58, 348587740), (82, 246562060), (116, 174293870), (145, 139435096), (164, 123281030), (205, 98624824), (232, 87146935), (290, 69717548), (328, 61640515), (410, 49312412), (580, 34858774), (820, 24656206), (1160, 17429387), (1189, 17004280), (1640, 12328103), (2378, 8502140), (4756, 4251070), (5945, 3400856), (9512, 2125535), (11890, 1700428), (23780, 850214), (47560, 425107)]