20502792

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1747}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 55901040

約数和(自身を除く): 35398248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1747, 1956, 2934, 3494, 3912, 5241, 5868, 6988, 10482, 11736, 13976, 15723, 20964, 31446, 41928, 62892, 125784, 284761, 569522, 854283, 1139044, 1708566, 2278088, 2562849, 3417132, 5125698, 6834264, 10251396, 20502792]

約数ペア:

[(1, 20502792), (2, 10251396), (3, 6834264), (4, 5125698), (6, 3417132), (8, 2562849), (9, 2278088), (12, 1708566), (18, 1139044), (24, 854283), (36, 569522), (72, 284761), (163, 125784), (326, 62892), (489, 41928), (652, 31446), (978, 20964), (1304, 15723), (1467, 13976), (1747, 11736), (1956, 10482), (2934, 6988), (3494, 5868), (3912, 5241)]