20615574

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70121}}^1$

素因数の和:70140

約数の個数: 24

約数和(自身を含む): 47963448

約数和(自身を除く): 27347874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70121, 140242, 210363, 420726, 490847, 981694, 1472541, 2945082, 3435929, 6871858, 10307787, 20615574]

約数ペア:

[(1, 20615574), (2, 10307787), (3, 6871858), (6, 3435929), (7, 2945082), (14, 1472541), (21, 981694), (42, 490847), (49, 420726), (98, 210363), (147, 140242), (294, 70121)]