20305675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 27765584

約数和(自身を除く): 7459909

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 1453, 2795, 7265, 13975, 18889, 36325, 62479, 94445, 312395, 472225, 812227, 1561975, 4061135, 20305675]

約数ペア:

[(1, 20305675), (5, 4061135), (13, 1561975), (25, 812227), (43, 472225), (65, 312395), (215, 94445), (325, 62479), (559, 36325), (1075, 18889), (1453, 13975), (2795, 7265)]