20194955870

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1759}}^1\times {\mathrm{2557}}^1$

素因数の和:4772

約数の個数: 32

約数和(自身を含む): 36466848000

約数和(自身を除く): 16271892130

約数列:

[1, 2, 5, 10, 449, 898, 1759, 2245, 2557, 3518, 4490, 5114, 8795, 12785, 17590, 25570, 789791, 1148093, 1579582, 2296186, 3948955, 4497763, 5740465, 7897910, 8995526, 11480930, 22488815, 44977630, 2019495587, 4038991174, 10097477935, 20194955870]

約数ペア:

[(1, 20194955870), (2, 10097477935), (5, 4038991174), (10, 2019495587), (449, 44977630), (898, 22488815), (1759, 11480930), (2245, 8995526), (2557, 7897910), (3518, 5740465), (4490, 4497763), (5114, 3948955), (8795, 2296186), (12785, 1579582), (17590, 1148093), (25570, 789791)]