20348025

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5119}}^1$

素因数の和:5185

約数の個数: 24

約数和(自身を含む): 34283520

約数和(自身を除く): 13935495

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5119, 15357, 25595, 76785, 127975, 271307, 383925, 813921, 1356535, 4069605, 6782675, 20348025]

約数ペア:

[(1, 20348025), (3, 6782675), (5, 4069605), (15, 1356535), (25, 813921), (53, 383925), (75, 271307), (159, 127975), (265, 76785), (795, 25595), (1325, 15357), (3975, 5119)]