20129328

素因数分解:

$2^4\times 3^2\times {\mathrm{139787}}^1$

素因数の和:139801

約数の個数: 30

約数和(自身を含む): 56334564

約数和(自身を除く): 36205236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 139787, 279574, 419361, 559148, 838722, 1118296, 1258083, 1677444, 2236592, 2516166, 3354888, 5032332, 6709776, 10064664, 20129328]

約数ペア:

[(1, 20129328), (2, 10064664), (3, 6709776), (4, 5032332), (6, 3354888), (8, 2516166), (9, 2236592), (12, 1677444), (16, 1258083), (18, 1118296), (24, 838722), (36, 559148), (48, 419361), (72, 279574), (144, 139787)]