20303187

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 27799200

約数和(自身を除く): 7496013

約数列:

[1, 3, 53, 149, 159, 447, 857, 2571, 7897, 23691, 45421, 127693, 136263, 383079, 6767729, 20303187]

約数ペア:

[(1, 20303187), (3, 6767729), (53, 383079), (149, 136263), (159, 127693), (447, 45421), (857, 23691), (2571, 7897)]