20986608

素因数分解:

$2^4\times 3^1\times {\mathrm{409}}^1\times {\mathrm{1069}}^1$

素因数の和:1489

約数の個数: 40

約数和(自身を含む): 54398800

約数和(自身を除く): 33412192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409, 818, 1069, 1227, 1636, 2138, 2454, 3207, 3272, 4276, 4908, 6414, 6544, 8552, 9816, 12828, 17104, 19632, 25656, 51312, 437221, 874442, 1311663, 1748884, 2623326, 3497768, 5246652, 6995536, 10493304, 20986608]

約数ペア:

[(1, 20986608), (2, 10493304), (3, 6995536), (4, 5246652), (6, 3497768), (8, 2623326), (12, 1748884), (16, 1311663), (24, 874442), (48, 437221), (409, 51312), (818, 25656), (1069, 19632), (1227, 17104), (1636, 12828), (2138, 9816), (2454, 8552), (3207, 6544), (3272, 6414), (4276, 4908)]