20138051390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33013199}}^1$

素因数の和:33013267

約数の個数: 16

約数和(自身を含む): 36842731200

約数和(自身を除く): 16704679810

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 33013199, 66026398, 165065995, 330131990, 2013805139, 4027610278, 10069025695, 20138051390]

約数ペア:

[(1, 20138051390), (2, 10069025695), (5, 4027610278), (10, 2013805139), (61, 330131990), (122, 165065995), (305, 66026398), (610, 33013199)]