20456144

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10067}}^1$

素因数の和:10202

約数の個数: 20

約数和(自身を含む): 39949824

約数和(自身を除く): 19493680

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10067, 20134, 40268, 80536, 161072, 1278509, 2557018, 5114036, 10228072, 20456144]

約数ペア:

[(1, 20456144), (2, 10228072), (4, 5114036), (8, 2557018), (16, 1278509), (127, 161072), (254, 80536), (508, 40268), (1016, 20134), (2032, 10067)]