20101560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1319}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 40724040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1319, 1524, 1905, 2540, 2638, 3048, 3810, 3957, 5080, 5276, 6595, 7620, 7914, 10552, 13190, 15240, 15828, 19785, 26380, 31656, 39570, 52760, 79140, 158280, 167513, 335026, 502539, 670052, 837565, 1005078, 1340104, 1675130, 2010156, 2512695, 3350260, 4020312, 5025390, 6700520, 10050780, 20101560]

約数ペア:

[(1, 20101560), (2, 10050780), (3, 6700520), (4, 5025390), (5, 4020312), (6, 3350260), (8, 2512695), (10, 2010156), (12, 1675130), (15, 1340104), (20, 1005078), (24, 837565), (30, 670052), (40, 502539), (60, 335026), (120, 167513), (127, 158280), (254, 79140), (381, 52760), (508, 39570), (635, 31656), (762, 26380), (1016, 19785), (1270, 15828), (1319, 15240), (1524, 13190), (1905, 10552), (2540, 7914), (2638, 7620), (3048, 6595), (3810, 5276), (3957, 5080)]