2020687525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{69739}}^1$

素因数の和:69829

約数の個数: 24

約数和(自身を含む): 2680805600

約数和(自身を除く): 660118075

約数列:

[1, 5, 19, 25, 61, 95, 305, 475, 1159, 1525, 5795, 28975, 69739, 348695, 1325041, 1743475, 4254079, 6625205, 21270395, 33126025, 80827501, 106351975, 404137505, 2020687525]

約数ペア:

[(1, 2020687525), (5, 404137505), (19, 106351975), (25, 80827501), (61, 33126025), (95, 21270395), (305, 6625205), (475, 4254079), (1159, 1743475), (1525, 1325041), (5795, 348695), (28975, 69739)]