20318742

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2707}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 45494400

約数和(自身を除く): 25175658

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 2707, 3753, 5414, 7506, 8121, 16242, 24363, 48726, 73089, 146178, 376273, 752546, 1128819, 2257638, 3386457, 6772914, 10159371, 20318742]

約数ペア:

[(1, 20318742), (2, 10159371), (3, 6772914), (6, 3386457), (9, 2257638), (18, 1128819), (27, 752546), (54, 376273), (139, 146178), (278, 73089), (417, 48726), (834, 24363), (1251, 16242), (2502, 8121), (2707, 7506), (3753, 5414)]