20690490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1093}}^1$

素因数の和:1734

約数の個数: 32

約数和(自身を含む): 49781376

約数和(自身を除く): 29090886

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 631, 1093, 1262, 1893, 2186, 3155, 3279, 3786, 5465, 6310, 6558, 9465, 10930, 16395, 18930, 32790, 689683, 1379366, 2069049, 3448415, 4138098, 6896830, 10345245, 20690490]

約数ペア:

[(1, 20690490), (2, 10345245), (3, 6896830), (5, 4138098), (6, 3448415), (10, 2069049), (15, 1379366), (30, 689683), (631, 32790), (1093, 18930), (1262, 16395), (1893, 10930), (2186, 9465), (3155, 6558), (3279, 6310), (3786, 5465)]