20403880418

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{2389}}^1\times {\mathrm{42281}}^1$

素因数の和:44773

約数の個数: 16

約数和(自身を含む): 30922517880

約数和(自身を除く): 10518637462

約数列:

[1, 2, 101, 202, 2389, 4778, 42281, 84562, 241289, 482578, 4270381, 8540762, 101009309, 202018618, 10201940209, 20403880418]

約数ペア:

[(1, 20403880418), (2, 10201940209), (101, 202018618), (202, 101009309), (2389, 8540762), (4778, 4270381), (42281, 482578), (84562, 241289)]