20196858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2971}}^1$

素因数の和:3090

約数の個数: 32

約数和(自身を含む): 44508672

約数和(自身を除く): 24311814

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 103, 206, 309, 618, 1133, 2266, 2971, 3399, 5942, 6798, 8913, 17826, 32681, 65362, 98043, 196086, 306013, 612026, 918039, 1836078, 3366143, 6732286, 10098429, 20196858]

約数ペア:

[(1, 20196858), (2, 10098429), (3, 6732286), (6, 3366143), (11, 1836078), (22, 918039), (33, 612026), (66, 306013), (103, 196086), (206, 98043), (309, 65362), (618, 32681), (1133, 17826), (2266, 8913), (2971, 6798), (3399, 5942)]