20896506

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{3709}}^1$

素因数の和:4030

約数の個数: 24

約数和(自身を含む): 45432660

約数和(自身を除く): 24536154

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 3709, 5634, 7418, 11127, 22254, 33381, 66762, 1160917, 2321834, 3482751, 6965502, 10448253, 20896506]

約数ペア:

[(1, 20896506), (2, 10448253), (3, 6965502), (6, 3482751), (9, 2321834), (18, 1160917), (313, 66762), (626, 33381), (939, 22254), (1878, 11127), (2817, 7418), (3709, 5634)]