20977860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2753}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 59222016

約数和(自身を除く): 38244156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 2753, 3810, 5506, 7620, 8259, 11012, 13765, 16518, 27530, 33036, 41295, 55060, 82590, 165180, 349631, 699262, 1048893, 1398524, 1748155, 2097786, 3496310, 4195572, 5244465, 6992620, 10488930, 20977860]

約数ペア:

[(1, 20977860), (2, 10488930), (3, 6992620), (4, 5244465), (5, 4195572), (6, 3496310), (10, 2097786), (12, 1748155), (15, 1398524), (20, 1048893), (30, 699262), (60, 349631), (127, 165180), (254, 82590), (381, 55060), (508, 41295), (635, 33036), (762, 27530), (1270, 16518), (1524, 13765), (1905, 11012), (2540, 8259), (2753, 7620), (3810, 5506)]