20199344180

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1631611}}^1$

素因数の和:1632239

約数の個数: 24

約数和(自身を含む): 42487176480

約数和(自身を除く): 22287832300

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 1631611, 3263222, 6526444, 8158055, 16316110, 32632220, 1009967209, 2019934418, 4039868836, 5049836045, 10099672090, 20199344180]

約数ペア:

[(1, 20199344180), (2, 10099672090), (4, 5049836045), (5, 4039868836), (10, 2019934418), (20, 1009967209), (619, 32632220), (1238, 16316110), (2476, 8158055), (3095, 6526444), (6190, 3263222), (12380, 1631611)]