20581128

素因数分解:

$2^3\times 3^6\times {\mathrm{3529}}^1$

素因数の和:3553

約数の個数: 56

約数和(自身を含む): 57874350

約数和(自身を除く): 37293222

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3529, 5832, 7058, 10587, 14116, 21174, 28232, 31761, 42348, 63522, 84696, 95283, 127044, 190566, 254088, 285849, 381132, 571698, 762264, 857547, 1143396, 1715094, 2286792, 2572641, 3430188, 5145282, 6860376, 10290564, 20581128]

約数ペア:

[(1, 20581128), (2, 10290564), (3, 6860376), (4, 5145282), (6, 3430188), (8, 2572641), (9, 2286792), (12, 1715094), (18, 1143396), (24, 857547), (27, 762264), (36, 571698), (54, 381132), (72, 285849), (81, 254088), (108, 190566), (162, 127044), (216, 95283), (243, 84696), (324, 63522), (486, 42348), (648, 31761), (729, 28232), (972, 21174), (1458, 14116), (1944, 10587), (2916, 7058), (3529, 5832)]