20928675

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1613}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 34823664

約数和(自身を除く): 13894989

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 1613, 2595, 4325, 4839, 8065, 12975, 24195, 40325, 120975, 279049, 837147, 1395245, 4185735, 6976225, 20928675]

約数ペア:

[(1, 20928675), (3, 6976225), (5, 4185735), (15, 1395245), (25, 837147), (75, 279049), (173, 120975), (519, 40325), (865, 24195), (1613, 12975), (2595, 8065), (4325, 4839)]