20158140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1759}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 56770560

約数和(自身を除く): 36612420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1759, 1910, 2292, 2865, 3518, 3820, 5277, 5730, 7036, 8795, 10554, 11460, 17590, 21108, 26385, 35180, 52770, 105540, 335969, 671938, 1007907, 1343876, 1679845, 2015814, 3359690, 4031628, 5039535, 6719380, 10079070, 20158140]

約数ペア:

[(1, 20158140), (2, 10079070), (3, 6719380), (4, 5039535), (5, 4031628), (6, 3359690), (10, 2015814), (12, 1679845), (15, 1343876), (20, 1007907), (30, 671938), (60, 335969), (191, 105540), (382, 52770), (573, 35180), (764, 26385), (955, 21108), (1146, 17590), (1759, 11460), (1910, 10554), (2292, 8795), (2865, 7036), (3518, 5730), (3820, 5277)]