20056940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58991}}^1$

素因数の和:59017

約数の個数: 24

約数和(自身を含む): 44597952

約数和(自身を除く): 24541012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58991, 117982, 235964, 294955, 589910, 1002847, 1179820, 2005694, 4011388, 5014235, 10028470, 20056940]

約数ペア:

[(1, 20056940), (2, 10028470), (4, 5014235), (5, 4011388), (10, 2005694), (17, 1179820), (20, 1002847), (34, 589910), (68, 294955), (85, 235964), (170, 117982), (340, 58991)]