20237480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29761}}^1$

素因数の和:29789

約数の個数: 32

約数和(自身を含む): 48214440

約数和(自身を除く): 27976960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29761, 59522, 119044, 148805, 238088, 297610, 505937, 595220, 1011874, 1190440, 2023748, 2529685, 4047496, 5059370, 10118740, 20237480]

約数ペア:

[(1, 20237480), (2, 10118740), (4, 5059370), (5, 4047496), (8, 2529685), (10, 2023748), (17, 1190440), (20, 1011874), (34, 595220), (40, 505937), (68, 297610), (85, 238088), (136, 148805), (170, 119044), (340, 59522), (680, 29761)]