20475396

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4409}}^1$

素因数の和:4465

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 33855804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4409, 4644, 8818, 13227, 17636, 26454, 39681, 52908, 79362, 119043, 158724, 189587, 238086, 379174, 476172, 568761, 758348, 1137522, 1706283, 2275044, 3412566, 5118849, 6825132, 10237698, 20475396]

約数ペア:

[(1, 20475396), (2, 10237698), (3, 6825132), (4, 5118849), (6, 3412566), (9, 2275044), (12, 1706283), (18, 1137522), (27, 758348), (36, 568761), (43, 476172), (54, 379174), (86, 238086), (108, 189587), (129, 158724), (172, 119043), (258, 79362), (387, 52908), (516, 39681), (774, 26454), (1161, 17636), (1548, 13227), (2322, 8818), (4409, 4644)]