201905919220

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{12296341}}^1$

素因数の和:12297171

約数の個数: 24

約数和(自身を含む): 424518911208

約数和(自身を除く): 222612991988

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 12296341, 24592682, 49185364, 61481705, 122963410, 245926820, 10095295961, 20190591922, 40381183844, 50476479805, 100952959610, 201905919220]

約数ペア:

[(1, 201905919220), (2, 100952959610), (4, 50476479805), (5, 40381183844), (10, 20190591922), (20, 10095295961), (821, 245926820), (1642, 122963410), (3284, 61481705), (4105, 49185364), (8210, 24592682), (16420, 12296341)]