20071844373

素因数分解:

$3^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{262079}}^1$

素因数の和:262617

約数の個数: 24

約数和(自身を含む): 31191713280

約数和(自身を除く): 11119868907

約数列:

[1, 3, 7, 21, 49, 147, 521, 1563, 3647, 10941, 25529, 76587, 262079, 786237, 1834553, 5503659, 12841871, 38525613, 136543159, 409629477, 955802113, 2867406339, 6690614791, 20071844373]

約数ペア:

[(1, 20071844373), (3, 6690614791), (7, 2867406339), (21, 955802113), (49, 409629477), (147, 136543159), (521, 38525613), (1563, 12841871), (3647, 5503659), (10941, 1834553), (25529, 786237), (76587, 262079)]