20015290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5119}}^1$

素因数の和:5166

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 19797830

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5119, 10238, 25595, 51190, 87023, 117737, 174046, 235474, 435115, 588685, 870230, 1177370, 2001529, 4003058, 10007645, 20015290]

約数ペア:

[(1, 20015290), (2, 10007645), (5, 4003058), (10, 2001529), (17, 1177370), (23, 870230), (34, 588685), (46, 435115), (85, 235474), (115, 174046), (170, 117737), (230, 87023), (391, 51190), (782, 25595), (1955, 10238), (3910, 5119)]