20533917

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3767}}^1$

素因数の和:3872

約数の個数: 16

約数和(自身を含む): 28938240

約数和(自身を除く): 8404323

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3767, 5451, 11301, 86641, 259923, 297593, 892779, 6844639, 20533917]

約数ペア:

[(1, 20533917), (3, 6844639), (23, 892779), (69, 297593), (79, 259923), (237, 86641), (1817, 11301), (3767, 5451)]