20404620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113359}}^1$

素因数の和:113374

約数の個数: 36

約数和(自身を含む): 61894560

約数和(自身を除く): 41489940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113359, 226718, 340077, 453436, 566795, 680154, 1020231, 1133590, 1360308, 1700385, 2040462, 2267180, 3400770, 4080924, 5101155, 6801540, 10202310, 20404620]

約数ペア:

[(1, 20404620), (2, 10202310), (3, 6801540), (4, 5101155), (5, 4080924), (6, 3400770), (9, 2267180), (10, 2040462), (12, 1700385), (15, 1360308), (18, 1133590), (20, 1020231), (30, 680154), (36, 566795), (45, 453436), (60, 340077), (90, 226718), (180, 113359)]