20635923

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 34583040

約数和(自身を除く): 13947117

約数列:

[1, 3, 7, 11, 21, 33, 77, 157, 231, 471, 569, 1099, 1707, 1727, 3297, 3983, 5181, 6259, 11949, 12089, 18777, 36267, 43813, 89333, 131439, 267999, 625331, 982663, 1875993, 2947989, 6878641, 20635923]

約数ペア:

[(1, 20635923), (3, 6878641), (7, 2947989), (11, 1875993), (21, 982663), (33, 625331), (77, 267999), (157, 131439), (231, 89333), (471, 43813), (569, 36267), (1099, 18777), (1707, 12089), (1727, 11949), (3297, 6259), (3983, 5181)]