20697624

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 56443920

約数和(自身を除く): 35746296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1831, 1884, 2826, 3662, 3768, 5493, 5652, 7324, 10986, 11304, 14648, 16479, 21972, 32958, 43944, 65916, 131832, 287467, 574934, 862401, 1149868, 1724802, 2299736, 2587203, 3449604, 5174406, 6899208, 10348812, 20697624]

約数ペア:

[(1, 20697624), (2, 10348812), (3, 6899208), (4, 5174406), (6, 3449604), (8, 2587203), (9, 2299736), (12, 1724802), (18, 1149868), (24, 862401), (36, 574934), (72, 287467), (157, 131832), (314, 65916), (471, 43944), (628, 32958), (942, 21972), (1256, 16479), (1413, 14648), (1831, 11304), (1884, 10986), (2826, 7324), (3662, 5652), (3768, 5493)]