20555916

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{16631}}^1$

素因数の和:16741

約数の個数: 24

約数和(自身を含む): 48432384

約数和(自身を除く): 27876468

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 16631, 33262, 49893, 66524, 99786, 199572, 1712993, 3425986, 5138979, 6851972, 10277958, 20555916]

約数ペア:

[(1, 20555916), (2, 10277958), (3, 6851972), (4, 5138979), (6, 3425986), (12, 1712993), (103, 199572), (206, 99786), (309, 66524), (412, 49893), (618, 33262), (1236, 16631)]