20137568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3051

約数の個数: 48

約数和(自身を含む): 45541440

約数和(自身を除く): 25403872

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3011, 3344, 6022, 6688, 12044, 24088, 33121, 48176, 57209, 66242, 96352, 114418, 132484, 228836, 264968, 457672, 529936, 629299, 915344, 1059872, 1258598, 1830688, 2517196, 5034392, 10068784, 20137568]

約数ペア:

[(1, 20137568), (2, 10068784), (4, 5034392), (8, 2517196), (11, 1830688), (16, 1258598), (19, 1059872), (22, 915344), (32, 629299), (38, 529936), (44, 457672), (76, 264968), (88, 228836), (152, 132484), (176, 114418), (209, 96352), (304, 66242), (352, 57209), (418, 48176), (608, 33121), (836, 24088), (1672, 12044), (3011, 6688), (3344, 6022)]