20683436

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 37287936

約数和(自身を除く): 16604500

約数列:

[1, 2, 4, 67, 71, 134, 142, 268, 284, 1087, 2174, 4348, 4757, 9514, 19028, 72829, 77177, 145658, 154354, 291316, 308708, 5170859, 10341718, 20683436]

約数ペア:

[(1, 20683436), (2, 10341718), (4, 5170859), (67, 308708), (71, 291316), (134, 154354), (142, 145658), (268, 77177), (284, 72829), (1087, 19028), (2174, 9514), (4348, 4757)]