16571980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26729}}^1$

素因数の和:26769

約数の個数: 24

約数和(自身を含む): 35925120

約数和(自身を除く): 19353140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26729, 53458, 106916, 133645, 267290, 534580, 828599, 1657198, 3314396, 4142995, 8285990, 16571980]

約数ペア:

[(1, 16571980), (2, 8285990), (4, 4142995), (5, 3314396), (10, 1657198), (20, 828599), (31, 534580), (62, 267290), (124, 133645), (155, 106916), (310, 53458), (620, 26729)]