20719896

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6211}}^1$

素因数の和:6359

約数の個数: 32

約数和(自身を含む): 52180800

約数和(自身を除く): 31460904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6211, 12422, 18633, 24844, 37266, 49688, 74532, 149064, 863329, 1726658, 2589987, 3453316, 5179974, 6906632, 10359948, 20719896]

約数ペア:

[(1, 20719896), (2, 10359948), (3, 6906632), (4, 5179974), (6, 3453316), (8, 2589987), (12, 1726658), (24, 863329), (139, 149064), (278, 74532), (417, 49688), (556, 37266), (834, 24844), (1112, 18633), (1668, 12422), (3336, 6211)]