20432547

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 31536960

約数和(自身を除く): 11104413

約数列:

[1, 3, 9, 27, 37, 111, 113, 181, 333, 339, 543, 999, 1017, 1629, 3051, 4181, 4887, 6697, 12543, 20091, 20453, 37629, 60273, 61359, 112887, 180819, 184077, 552231, 756761, 2270283, 6810849, 20432547]

約数ペア:

[(1, 20432547), (3, 6810849), (9, 2270283), (27, 756761), (37, 552231), (111, 184077), (113, 180819), (181, 112887), (333, 61359), (339, 60273), (543, 37629), (999, 20453), (1017, 20091), (1629, 12543), (3051, 6697), (4181, 4887)]