20534975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 26998272

約数和(自身を除く): 6463297

約数列:

[1, 5, 23, 25, 71, 115, 355, 503, 575, 1633, 1775, 2515, 8165, 11569, 12575, 35713, 40825, 57845, 178565, 289225, 821399, 892825, 4106995, 20534975]

約数ペア:

[(1, 20534975), (5, 4106995), (23, 892825), (25, 821399), (71, 289225), (115, 178565), (355, 57845), (503, 40825), (575, 35713), (1633, 12575), (1775, 11569), (2515, 8165)]