20201630

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17719330

約数列:

[1, 2, 5, 10, 37, 71, 74, 142, 185, 355, 370, 710, 769, 1538, 2627, 3845, 5254, 7690, 13135, 26270, 28453, 54599, 56906, 109198, 142265, 272995, 284530, 545990, 2020163, 4040326, 10100815, 20201630]

約数ペア:

[(1, 20201630), (2, 10100815), (5, 4040326), (10, 2020163), (37, 545990), (71, 284530), (74, 272995), (142, 142265), (185, 109198), (355, 56906), (370, 54599), (710, 28453), (769, 26270), (1538, 13135), (2627, 7690), (3845, 5254)]