20017558748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{495043}}^1$

素因数の和:495977

約数の個数: 24

約数和(自身を含む): 38257000320

約数和(自身を除く): 18239441572

約数列:

[1, 2, 4, 11, 22, 44, 919, 1838, 3676, 10109, 20218, 40436, 495043, 990086, 1980172, 5445473, 10890946, 21781892, 454944517, 909889034, 1819778068, 5004389687, 10008779374, 20017558748]

約数ペア:

[(1, 20017558748), (2, 10008779374), (4, 5004389687), (11, 1819778068), (22, 909889034), (44, 454944517), (919, 21781892), (1838, 10890946), (3676, 5445473), (10109, 1980172), (20218, 990086), (40436, 495043)]