20628760

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8741}}^1$

素因数の和:8811

約数の個数: 32

約数和(自身を含む): 47206800

約数和(自身を除く): 26578040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8741, 17482, 34964, 43705, 69928, 87410, 174820, 349640, 515719, 1031438, 2062876, 2578595, 4125752, 5157190, 10314380, 20628760]

約数ペア:

[(1, 20628760), (2, 10314380), (4, 5157190), (5, 4125752), (8, 2578595), (10, 2062876), (20, 1031438), (40, 515719), (59, 349640), (118, 174820), (236, 87410), (295, 69928), (472, 43705), (590, 34964), (1180, 17482), (2360, 8741)]