20328990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61603}}^1$

素因数の和:61624

約数の個数: 32

約数和(自身を含む): 53225856

約数和(自身を除く): 32896866

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 61603, 123206, 184809, 308015, 369618, 616030, 677633, 924045, 1355266, 1848090, 2032899, 3388165, 4065798, 6776330, 10164495, 20328990]

約数ペア:

[(1, 20328990), (2, 10164495), (3, 6776330), (5, 4065798), (6, 3388165), (10, 2032899), (11, 1848090), (15, 1355266), (22, 924045), (30, 677633), (33, 616030), (55, 369618), (66, 308015), (110, 184809), (165, 123206), (330, 61603)]