20112175

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 26074224

約数和(自身を除く): 5962049

約数列:

[1, 5, 25, 43, 53, 215, 265, 353, 1075, 1325, 1765, 2279, 8825, 11395, 15179, 18709, 56975, 75895, 93545, 379475, 467725, 804487, 4022435, 20112175]

約数ペア:

[(1, 20112175), (5, 4022435), (25, 804487), (43, 467725), (53, 379475), (215, 93545), (265, 75895), (353, 56975), (1075, 18709), (1325, 15179), (1765, 11395), (2279, 8825)]