20533515

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22441}}^1$

素因数の和:22510

約数の個数: 16

約数和(自身を含む): 33393696

約数和(自身を除く): 12860181

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22441, 67323, 112205, 336615, 1368901, 4106703, 6844505, 20533515]

約数ペア:

[(1, 20533515), (3, 6844505), (5, 4106703), (15, 1368901), (61, 336615), (183, 112205), (305, 67323), (915, 22441)]