20072866730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{1109}}^1$

素因数の和:1612

約数の個数: 128

約数和(自身を含む): 45010944000

約数和(自身を除く): 24938077270

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 133, 155, 190, 217, 266, 310, 434, 439, 589, 665, 878, 1085, 1109, 1178, 1330, 2170, 2195, 2218, 2945, 3073, 4123, 4390, 5545, 5890, 6146, 7763, 8246, 8341, 11090, 13609, 15365, 15526, 16682, 20615, 21071, 27218, 30730, 34379, 38815, 41230, 41705, 42142, 58387, 68045, 68758, 77630, 83410, 95263, 105355, 116774, 136090, 147497, 171895, 190526, 210710, 240653, 258571, 291935, 294994, 343790, 476315, 481306, 486851, 517142, 583870, 653201, 737485, 952630, 973702, 1203265, 1292855, 1306402, 1474970, 1809997, 2406530, 2434255, 2585710, 3266005, 3407957, 3619994, 4572407, 4868510, 6532010, 6815914, 9049985, 9144814, 9250169, 15092381, 17039785, 18099970, 18500338, 22862035, 30184762, 34079570, 45724070, 46250845, 64751183, 75461905, 92501690, 105646667, 129502366, 150923810, 211293334, 286755239, 323755915, 528233335, 573510478, 647511830, 1056466670, 1433776195, 2007286673, 2867552390, 4014573346, 10036433365, 20072866730]

約数ペア:

[(1, 20072866730), (2, 10036433365), (5, 4014573346), (7, 2867552390), (10, 2007286673), (14, 1433776195), (19, 1056466670), (31, 647511830), (35, 573510478), (38, 528233335), (62, 323755915), (70, 286755239), (95, 211293334), (133, 150923810), (155, 129502366), (190, 105646667), (217, 92501690), (266, 75461905), (310, 64751183), (434, 46250845), (439, 45724070), (589, 34079570), (665, 30184762), (878, 22862035), (1085, 18500338), (1109, 18099970), (1178, 17039785), (1330, 15092381), (2170, 9250169), (2195, 9144814), (2218, 9049985), (2945, 6815914), (3073, 6532010), (4123, 4868510), (4390, 4572407), (5545, 3619994), (5890, 3407957), (6146, 3266005), (7763, 2585710), (8246, 2434255), (8341, 2406530), (11090, 1809997), (13609, 1474970), (15365, 1306402), (15526, 1292855), (16682, 1203265), (20615, 973702), (21071, 952630), (27218, 737485), (30730, 653201), (34379, 583870), (38815, 517142), (41230, 486851), (41705, 481306), (42142, 476315), (58387, 343790), (68045, 294994), (68758, 291935), (77630, 258571), (83410, 240653), (95263, 210710), (105355, 190526), (116774, 171895), (136090, 147497)]