20528392375

素因数分解:

$5^3\times {\mathrm{109}}^1\times {\mathrm{1091}}^1\times {\mathrm{1381}}^1$

素因数の和:2596

約数の個数: 32

約数和(自身を含む): 25896911040

約数和(自身を除く): 5368518665

約数列:

[1, 5, 25, 109, 125, 545, 1091, 1381, 2725, 5455, 6905, 13625, 27275, 34525, 118919, 136375, 150529, 172625, 594595, 752645, 1506671, 2972975, 3763225, 7533355, 14864875, 18816125, 37666775, 164227139, 188333875, 821135695, 4105678475, 20528392375]

約数ペア:

[(1, 20528392375), (5, 4105678475), (25, 821135695), (109, 188333875), (125, 164227139), (545, 37666775), (1091, 18816125), (1381, 14864875), (2725, 7533355), (5455, 3763225), (6905, 2972975), (13625, 1506671), (27275, 752645), (34525, 594595), (118919, 172625), (136375, 150529)]