12420688

素因数分解:

$2^4\times 7^1\times {\mathrm{110899}}^1$

素因数の和:110914

約数の個数: 20

約数和(自身を含む): 27503200

約数和(自身を除く): 15082512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 110899, 221798, 443596, 776293, 887192, 1552586, 1774384, 3105172, 6210344, 12420688]

約数ペア:

[(1, 12420688), (2, 6210344), (4, 3105172), (7, 1774384), (8, 1552586), (14, 887192), (16, 776293), (28, 443596), (56, 221798), (112, 110899)]