20142420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 36466860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 863, 1167, 1556, 1726, 1945, 2334, 2589, 3452, 3890, 4315, 4668, 5178, 5835, 7780, 8630, 10356, 11670, 12945, 17260, 23340, 25890, 51780, 335707, 671414, 1007121, 1342828, 1678535, 2014242, 3357070, 4028484, 5035605, 6714140, 10071210, 20142420]

約数ペア:

[(1, 20142420), (2, 10071210), (3, 6714140), (4, 5035605), (5, 4028484), (6, 3357070), (10, 2014242), (12, 1678535), (15, 1342828), (20, 1007121), (30, 671414), (60, 335707), (389, 51780), (778, 25890), (863, 23340), (1167, 17260), (1556, 12945), (1726, 11670), (1945, 10356), (2334, 8630), (2589, 7780), (3452, 5835), (3890, 5178), (4315, 4668)]