20723230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8191}}^1$

素因数の和:8232

約数の個数: 32

約数和(自身を含む): 42467328

約数和(自身を除く): 21744098

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8191, 16382, 40955, 81910, 90101, 180202, 188393, 376786, 450505, 901010, 941965, 1883930, 2072323, 4144646, 10361615, 20723230]

約数ペア:

[(1, 20723230), (2, 10361615), (5, 4144646), (10, 2072323), (11, 1883930), (22, 941965), (23, 901010), (46, 450505), (55, 376786), (110, 188393), (115, 180202), (230, 90101), (253, 81910), (506, 40955), (1265, 16382), (2530, 8191)]