20085325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2687}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 27998208

約数和(自身を除く): 7912883

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 2687, 7475, 13435, 34931, 61801, 67175, 174655, 309005, 803413, 873275, 1545025, 4017065, 20085325]

約数ペア:

[(1, 20085325), (5, 4017065), (13, 1545025), (23, 873275), (25, 803413), (65, 309005), (115, 174655), (299, 67175), (325, 61801), (575, 34931), (1495, 13435), (2687, 7475)]