20540952

素因数分解:

$2^3\times 3^4\times {\mathrm{31699}}^1$

素因数の和:31717

約数の個数: 40

約数和(自身を含む): 57535500

約数和(自身を除く): 36994548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31699, 63398, 95097, 126796, 190194, 253592, 285291, 380388, 570582, 760776, 855873, 1141164, 1711746, 2282328, 2567619, 3423492, 5135238, 6846984, 10270476, 20540952]

約数ペア:

[(1, 20540952), (2, 10270476), (3, 6846984), (4, 5135238), (6, 3423492), (8, 2567619), (9, 2282328), (12, 1711746), (18, 1141164), (24, 855873), (27, 760776), (36, 570582), (54, 380388), (72, 285291), (81, 253592), (108, 190194), (162, 126796), (216, 95097), (324, 63398), (648, 31699)]