20838924

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 54415200

約数和(自身を除く): 33576276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1229, 1413, 1884, 2458, 2826, 3687, 4239, 4916, 5652, 7374, 8478, 11061, 14748, 16956, 22122, 33183, 44244, 66366, 132732, 192953, 385906, 578859, 771812, 1157718, 1736577, 2315436, 3473154, 5209731, 6946308, 10419462, 20838924]

約数ペア:

[(1, 20838924), (2, 10419462), (3, 6946308), (4, 5209731), (6, 3473154), (9, 2315436), (12, 1736577), (18, 1157718), (27, 771812), (36, 578859), (54, 385906), (108, 192953), (157, 132732), (314, 66366), (471, 44244), (628, 33183), (942, 22122), (1229, 16956), (1413, 14748), (1884, 11061), (2458, 8478), (2826, 7374), (3687, 5652), (4239, 4916)]