20598080

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1091}}^1$

素因数の和:1167

約数の個数: 56

約数和(自身を含む): 49926240

約数和(自身を除く): 29328160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1091, 1180, 1888, 2182, 2360, 3776, 4364, 4720, 5455, 8728, 9440, 10910, 17456, 18880, 21820, 34912, 43640, 64369, 69824, 87280, 128738, 174560, 257476, 321845, 349120, 514952, 643690, 1029904, 1287380, 2059808, 2574760, 4119616, 5149520, 10299040, 20598080]

約数ペア:

[(1, 20598080), (2, 10299040), (4, 5149520), (5, 4119616), (8, 2574760), (10, 2059808), (16, 1287380), (20, 1029904), (32, 643690), (40, 514952), (59, 349120), (64, 321845), (80, 257476), (118, 174560), (160, 128738), (236, 87280), (295, 69824), (320, 64369), (472, 43640), (590, 34912), (944, 21820), (1091, 18880), (1180, 17456), (1888, 10910), (2182, 9440), (2360, 8728), (3776, 5455), (4364, 4720)]