20518760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22303}}^1$

素因数の和:22337

約数の個数: 32

約数和(自身を含む): 48176640

約数和(自身を除く): 27657880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22303, 44606, 89212, 111515, 178424, 223030, 446060, 512969, 892120, 1025938, 2051876, 2564845, 4103752, 5129690, 10259380, 20518760]

約数ペア:

[(1, 20518760), (2, 10259380), (4, 5129690), (5, 4103752), (8, 2564845), (10, 2051876), (20, 1025938), (23, 892120), (40, 512969), (46, 446060), (92, 223030), (115, 178424), (184, 111515), (230, 89212), (460, 44606), (920, 22303)]