20384553

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15913}}^1$

素因数の和:15984

約数の個数: 16

約数和(自身を含む): 31573376

約数和(自身を除く): 11188823

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15913, 47739, 111391, 334173, 970693, 2912079, 6794851, 20384553]

約数ペア:

[(1, 20384553), (3, 6794851), (7, 2912079), (21, 970693), (61, 334173), (183, 111391), (427, 47739), (1281, 15913)]