20136760340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6412981}}^1$

素因数の和:6413147

約数の個数: 24

約数和(自身を含む): 42556548552

約数和(自身を除く): 22419788212

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6412981, 12825962, 25651924, 32064905, 64129810, 128259620, 1006838017, 2013676034, 4027352068, 5034190085, 10068380170, 20136760340]

約数ペア:

[(1, 20136760340), (2, 10068380170), (4, 5034190085), (5, 4027352068), (10, 2013676034), (20, 1006838017), (157, 128259620), (314, 64129810), (628, 32064905), (785, 25651924), (1570, 12825962), (3140, 6412981)]