20199382970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155379869}}^1$

素因数の和:155379889

約数の個数: 16

約数和(自身を含む): 39155727240

約数和(自身を除く): 18956344270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155379869, 310759738, 776899345, 1553798690, 2019938297, 4039876594, 10099691485, 20199382970]

約数ペア:

[(1, 20199382970), (2, 10099691485), (5, 4039876594), (10, 2019938297), (13, 1553798690), (26, 776899345), (65, 310759738), (130, 155379869)]