20177244560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1206773}}^1$

素因数の和:1206816

約数の個数: 80

約数和(自身を含む): 53870391360

約数和(自身を除く): 33693146800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 1206773, 2413546, 4827092, 6033865, 9654184, 12067730, 13274503, 19308368, 22928687, 24135460, 26549006, 45857374, 48270920, 53098012, 66372515, 91714748, 96541840, 106196024, 114643435, 132745030, 183429496, 212392048, 229286870, 252215557, 265490060, 366858992, 458573740, 504431114, 530980120, 917147480, 1008862228, 1061960240, 1261077785, 1834294960, 2017724456, 2522155570, 4035448912, 5044311140, 10088622280, 20177244560]

約数ペア:

[(1, 20177244560), (2, 10088622280), (4, 5044311140), (5, 4035448912), (8, 2522155570), (10, 2017724456), (11, 1834294960), (16, 1261077785), (19, 1061960240), (20, 1008862228), (22, 917147480), (38, 530980120), (40, 504431114), (44, 458573740), (55, 366858992), (76, 265490060), (80, 252215557), (88, 229286870), (95, 212392048), (110, 183429496), (152, 132745030), (176, 114643435), (190, 106196024), (209, 96541840), (220, 91714748), (304, 66372515), (380, 53098012), (418, 48270920), (440, 45857374), (760, 26549006), (836, 24135460), (880, 22928687), (1045, 19308368), (1520, 13274503), (1672, 12067730), (2090, 9654184), (3344, 6033865), (4180, 4827092), (8360, 2413546), (16720, 1206773)]