20934921

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12619}}^1$

素因数の和:12708

約数の個数: 16

約数和(自身を含む): 32307200

約数和(自身を除く): 11372279

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12619, 37857, 88333, 264999, 996901, 2990703, 6978307, 20934921]

約数ペア:

[(1, 20934921), (3, 6978307), (7, 2990703), (21, 996901), (79, 264999), (237, 88333), (553, 37857), (1659, 12619)]