20403090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25189}}^1$

素因数の和:25208

約数の個数: 40

約数和(自身を含む): 54863820

約数和(自身を除く): 34460730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25189, 50378, 75567, 125945, 151134, 226701, 251890, 377835, 453402, 680103, 755670, 1133505, 1360206, 2040309, 2267010, 3400515, 4080618, 6801030, 10201545, 20403090]

約数ペア:

[(1, 20403090), (2, 10201545), (3, 6801030), (5, 4080618), (6, 3400515), (9, 2267010), (10, 2040309), (15, 1360206), (18, 1133505), (27, 755670), (30, 680103), (45, 453402), (54, 377835), (81, 251890), (90, 226701), (135, 151134), (162, 125945), (270, 75567), (405, 50378), (810, 25189)]