20095970

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 36719892

約数和(自身を除く): 16623922

約数列:

[1, 2, 5, 10, 101, 197, 202, 394, 505, 985, 1010, 1970, 10201, 19897, 20402, 39794, 51005, 99485, 102010, 198970, 2009597, 4019194, 10047985, 20095970]

約数ペア:

[(1, 20095970), (2, 10047985), (5, 4019194), (10, 2009597), (101, 198970), (197, 102010), (202, 99485), (394, 51005), (505, 39794), (985, 20402), (1010, 19897), (1970, 10201)]