20489007

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12671}}^1$

素因数の和:12699

約数の個数: 24

約数和(自身を含む): 34670592

約数和(自身を除く): 14181585

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12671, 38013, 88697, 139381, 266091, 418143, 620879, 975667, 1862637, 2927001, 6829669, 20489007]

約数ペア:

[(1, 20489007), (3, 6829669), (7, 2927001), (11, 1862637), (21, 975667), (33, 620879), (49, 418143), (77, 266091), (147, 139381), (231, 88697), (539, 38013), (1617, 12671)]