20247730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1834

約数の個数: 32

約数和(自身を含む): 39015360

約数和(自身を除く): 18767630

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1747, 2318, 3494, 5795, 8735, 11590, 17470, 33193, 66386, 106567, 165965, 213134, 331930, 532835, 1065670, 2024773, 4049546, 10123865, 20247730]

約数ペア:

[(1, 20247730), (2, 10123865), (5, 4049546), (10, 2024773), (19, 1065670), (38, 532835), (61, 331930), (95, 213134), (122, 165965), (190, 106567), (305, 66386), (610, 33193), (1159, 17470), (1747, 11590), (2318, 8735), (3494, 5795)]