20687688

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41047}}^1$

素因数の和:41066

約数の個数: 48

約数和(自身を含む): 64034880

約数和(自身を除く): 43347192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41047, 82094, 123141, 164188, 246282, 287329, 328376, 369423, 492564, 574658, 738846, 861987, 985128, 1149316, 1477692, 1723974, 2298632, 2585961, 2955384, 3447948, 5171922, 6895896, 10343844, 20687688]

約数ペア:

[(1, 20687688), (2, 10343844), (3, 6895896), (4, 5171922), (6, 3447948), (7, 2955384), (8, 2585961), (9, 2298632), (12, 1723974), (14, 1477692), (18, 1149316), (21, 985128), (24, 861987), (28, 738846), (36, 574658), (42, 492564), (56, 369423), (63, 328376), (72, 287329), (84, 246282), (126, 164188), (168, 123141), (252, 82094), (504, 41047)]