20522418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1103}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 47056896

約数和(自身を除く): 26534478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443, 886, 1103, 1329, 2206, 2658, 3101, 3309, 6202, 6618, 7721, 9303, 15442, 18606, 23163, 46326, 488629, 977258, 1465887, 2931774, 3420403, 6840806, 10261209, 20522418]

約数ペア:

[(1, 20522418), (2, 10261209), (3, 6840806), (6, 3420403), (7, 2931774), (14, 1465887), (21, 977258), (42, 488629), (443, 46326), (886, 23163), (1103, 18606), (1329, 15442), (2206, 9303), (2658, 7721), (3101, 6618), (3309, 6202)]