20344620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1607}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 57270528

約数和(自身を除く): 36925908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1607, 2110, 2532, 3165, 3214, 4220, 4821, 6330, 6428, 8035, 9642, 12660, 16070, 19284, 24105, 32140, 48210, 96420, 339077, 678154, 1017231, 1356308, 1695385, 2034462, 3390770, 4068924, 5086155, 6781540, 10172310, 20344620]

約数ペア:

[(1, 20344620), (2, 10172310), (3, 6781540), (4, 5086155), (5, 4068924), (6, 3390770), (10, 2034462), (12, 1695385), (15, 1356308), (20, 1017231), (30, 678154), (60, 339077), (211, 96420), (422, 48210), (633, 32140), (844, 24105), (1055, 19284), (1266, 16070), (1607, 12660), (2110, 9642), (2532, 8035), (3165, 6428), (3214, 6330), (4220, 4821)]