20195874740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14222447}}^1$

素因数の和:14222527

約数の個数: 24

約数和(自身を含む): 43008682752

約数和(自身を除く): 22812808012

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14222447, 28444894, 56889788, 71112235, 142224470, 284448940, 1009793737, 2019587474, 4039174948, 5048968685, 10097937370, 20195874740]

約数ペア:

[(1, 20195874740), (2, 10097937370), (4, 5048968685), (5, 4039174948), (10, 2019587474), (20, 1009793737), (71, 284448940), (142, 142224470), (284, 71112235), (355, 56889788), (710, 28444894), (1420, 14222447)]