20235988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1787}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 37548000

約数和(自身を除く): 17312012

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1787, 2831, 3574, 5662, 7148, 11324, 33953, 67906, 135812, 266263, 532526, 1065052, 5058997, 10117994, 20235988]

約数ペア:

[(1, 20235988), (2, 10117994), (4, 5058997), (19, 1065052), (38, 532526), (76, 266263), (149, 135812), (298, 67906), (596, 33953), (1787, 11324), (2831, 7148), (3574, 5662)]