16801820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 41276928

約数和(自身を除く): 24475108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2791, 3010, 5582, 6020, 11164, 13955, 19537, 27910, 39074, 55820, 78148, 97685, 120013, 195370, 240026, 390740, 480052, 600065, 840091, 1200130, 1680182, 2400260, 3360364, 4200455, 8400910, 16801820]

約数ペア:

[(1, 16801820), (2, 8400910), (4, 4200455), (5, 3360364), (7, 2400260), (10, 1680182), (14, 1200130), (20, 840091), (28, 600065), (35, 480052), (43, 390740), (70, 240026), (86, 195370), (140, 120013), (172, 97685), (215, 78148), (301, 55820), (430, 39074), (602, 27910), (860, 19537), (1204, 13955), (1505, 11164), (2791, 6020), (3010, 5582)]