20218098808

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15504677}}^1$

素因数の和:15504846

約数の個数: 16

約数和(自身を含む): 38141507880

約数和(自身を除く): 17923409072

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15504677, 31009354, 62018708, 124037416, 2527262351, 5054524702, 10109049404, 20218098808]

約数ペア:

[(1, 20218098808), (2, 10109049404), (4, 5054524702), (8, 2527262351), (163, 124037416), (326, 62018708), (652, 31009354), (1304, 15504677)]