20201387590

素因数分解:

$2^1\times 5^1\times {\mathrm{4073}}^1\times {\mathrm{495983}}^1$

素因数の和:500063

約数の個数: 16

約数和(自身を含む): 36371498688

約数和(自身を除く): 16170111098

約数列:

[1, 2, 5, 10, 4073, 8146, 20365, 40730, 495983, 991966, 2479915, 4959830, 2020138759, 4040277518, 10100693795, 20201387590]

約数ペア:

[(1, 20201387590), (2, 10100693795), (5, 4040277518), (10, 2020138759), (4073, 4959830), (8146, 2479915), (20365, 991966), (40730, 495983)]