16720310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 31691520

約数和(自身を除く): 14971210

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 523, 695, 1046, 1390, 2615, 3197, 5230, 6394, 12029, 15985, 24058, 31970, 60145, 72697, 120290, 145394, 363485, 726970, 1672031, 3344062, 8360155, 16720310]

約数ペア:

[(1, 16720310), (2, 8360155), (5, 3344062), (10, 1672031), (23, 726970), (46, 363485), (115, 145394), (139, 120290), (230, 72697), (278, 60145), (523, 31970), (695, 24058), (1046, 15985), (1390, 12029), (2615, 6394), (3197, 5230)]