20402406356

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1941607}}^1$

素因数の和:1941719

約数の個数: 24

約数和(自身を含む): 37185676416

約数和(自身を除く): 16783270060

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2627, 5254, 10508, 1941607, 3883214, 7766428, 71839459, 137854097, 143678918, 275708194, 287357836, 551416388, 5100601589, 10201203178, 20402406356]

約数ペア:

[(1, 20402406356), (2, 10201203178), (4, 5100601589), (37, 551416388), (71, 287357836), (74, 275708194), (142, 143678918), (148, 137854097), (284, 71839459), (2627, 7766428), (5254, 3883214), (10508, 1941607)]