20645172

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10061}}^1$

素因数の和:10093

約数の個数: 48

約数和(自身を含む): 56347200

約数和(自身を除く): 35702028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10061, 20122, 30183, 40244, 60366, 90549, 120732, 181098, 191159, 271647, 362196, 382318, 543294, 573477, 764636, 1086588, 1146954, 1720431, 2293908, 3440862, 5161293, 6881724, 10322586, 20645172]

約数ペア:

[(1, 20645172), (2, 10322586), (3, 6881724), (4, 5161293), (6, 3440862), (9, 2293908), (12, 1720431), (18, 1146954), (19, 1086588), (27, 764636), (36, 573477), (38, 543294), (54, 382318), (57, 362196), (76, 271647), (108, 191159), (114, 181098), (171, 120732), (228, 90549), (342, 60366), (513, 40244), (684, 30183), (1026, 20122), (2052, 10061)]