20280701980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13169287}}^1$

素因数の和:13169314

約数の個数: 48

約数和(自身を含む): 53098569216

約数和(自身を除く): 32817867236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13169287, 26338574, 52677148, 65846435, 92185009, 131692870, 144862157, 184370018, 263385740, 289724314, 368740036, 460925045, 579448628, 724310785, 921850090, 1014035099, 1448621570, 1843700180, 2028070198, 2897243140, 4056140396, 5070175495, 10140350990, 20280701980]

約数ペア:

[(1, 20280701980), (2, 10140350990), (4, 5070175495), (5, 4056140396), (7, 2897243140), (10, 2028070198), (11, 1843700180), (14, 1448621570), (20, 1014035099), (22, 921850090), (28, 724310785), (35, 579448628), (44, 460925045), (55, 368740036), (70, 289724314), (77, 263385740), (110, 184370018), (140, 144862157), (154, 131692870), (220, 92185009), (308, 65846435), (385, 52677148), (770, 26338574), (1540, 13169287)]