20828130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{694271}}^1$

素因数の和:694281

約数の個数: 16

約数和(自身を含む): 49987584

約数和(自身を除く): 29159454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 694271, 1388542, 2082813, 3471355, 4165626, 6942710, 10414065, 20828130]

約数ペア:

[(1, 20828130), (2, 10414065), (3, 6942710), (5, 4165626), (6, 3471355), (10, 2082813), (15, 1388542), (30, 694271)]