20189698

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:1017

約数の個数: 16

約数和(自身を含む): 30864384

約数和(自身を除く): 10674686

約数列:

[1, 2, 101, 127, 202, 254, 787, 1574, 12827, 25654, 79487, 99949, 158974, 199898, 10094849, 20189698]

約数ペア:

[(1, 20189698), (2, 10094849), (101, 199898), (127, 158974), (202, 99949), (254, 79487), (787, 25654), (1574, 12827)]