20194382870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{500977}}^1$

素因数の和:501152

約数の個数: 32

約数和(自身を含む): 37873936800

約数和(自身を除く): 17679553930

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 8062, 20155, 40310, 500977, 1001954, 2504885, 5009770, 14528333, 29056666, 69635803, 72641665, 139271606, 145283330, 348179015, 696358030, 2019438287, 4038876574, 10097191435, 20194382870]

約数ペア:

[(1, 20194382870), (2, 10097191435), (5, 4038876574), (10, 2019438287), (29, 696358030), (58, 348179015), (139, 145283330), (145, 139271606), (278, 72641665), (290, 69635803), (695, 29056666), (1390, 14528333), (4031, 5009770), (8062, 2504885), (20155, 1001954), (40310, 500977)]