20175872870

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1\times {\mathrm{28031}}^1$

素因数の和:28636

約数の個数: 32

約数和(自身を含む): 36620107776

約数和(自身を除く): 16444234906

約数列:

[1, 2, 5, 10, 167, 334, 431, 835, 862, 1670, 2155, 4310, 28031, 56062, 71977, 140155, 143954, 280310, 359885, 719770, 4681177, 9362354, 12081361, 23405885, 24162722, 46811770, 60406805, 120813610, 2017587287, 4035174574, 10087936435, 20175872870]

約数ペア:

[(1, 20175872870), (2, 10087936435), (5, 4035174574), (10, 2017587287), (167, 120813610), (334, 60406805), (431, 46811770), (835, 24162722), (862, 23405885), (1670, 12081361), (2155, 9362354), (4310, 4681177), (28031, 719770), (56062, 359885), (71977, 280310), (140155, 143954)]