20353960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 50440320

約数和(自身を除く): 30086360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 277, 334, 440, 554, 668, 835, 1108, 1336, 1385, 1670, 1837, 2216, 2770, 3047, 3340, 3674, 5540, 6094, 6680, 7348, 9185, 11080, 12188, 14696, 15235, 18370, 24376, 30470, 36740, 46259, 60940, 73480, 92518, 121880, 185036, 231295, 370072, 462590, 508849, 925180, 1017698, 1850360, 2035396, 2544245, 4070792, 5088490, 10176980, 20353960]

約数ペア:

[(1, 20353960), (2, 10176980), (4, 5088490), (5, 4070792), (8, 2544245), (10, 2035396), (11, 1850360), (20, 1017698), (22, 925180), (40, 508849), (44, 462590), (55, 370072), (88, 231295), (110, 185036), (167, 121880), (220, 92518), (277, 73480), (334, 60940), (440, 46259), (554, 36740), (668, 30470), (835, 24376), (1108, 18370), (1336, 15235), (1385, 14696), (1670, 12188), (1837, 11080), (2216, 9185), (2770, 7348), (3047, 6680), (3340, 6094), (3674, 5540)]