20337516

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1423}}^1$

素因数の和:1830

約数の個数: 36

約数和(自身を含む): 51574432

約数和(自身を除く): 31236916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1423, 1588, 2382, 2846, 3573, 4269, 4764, 5692, 7146, 8538, 12807, 14292, 17076, 25614, 51228, 564931, 1129862, 1694793, 2259724, 3389586, 5084379, 6779172, 10168758, 20337516]

約数ペア:

[(1, 20337516), (2, 10168758), (3, 6779172), (4, 5084379), (6, 3389586), (9, 2259724), (12, 1694793), (18, 1129862), (36, 564931), (397, 51228), (794, 25614), (1191, 17076), (1423, 14292), (1588, 12807), (2382, 8538), (2846, 7146), (3573, 5692), (4269, 4764)]