19955060

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4357}}^1$

素因数の和:4595

約数の個数: 24

約数和(自身を含む): 42098280

約数和(自身を除く): 22143220

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4357, 4580, 8714, 17428, 21785, 43570, 87140, 997753, 1995506, 3991012, 4988765, 9977530, 19955060]

約数ペア:

[(1, 19955060), (2, 9977530), (4, 4988765), (5, 3991012), (10, 1995506), (20, 997753), (229, 87140), (458, 43570), (916, 21785), (1145, 17428), (2290, 8714), (4357, 4580)]