631158020

素因数分解:

$2^2\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{16903}}^1$

素因数の和:18779

約数の個数: 24

約数和(自身を含む): 1326220224

約数和(自身を除く): 695062204

約数列:

[1, 2, 4, 5, 10, 20, 1867, 3734, 7468, 9335, 16903, 18670, 33806, 37340, 67612, 84515, 169030, 338060, 31557901, 63115802, 126231604, 157789505, 315579010, 631158020]

約数ペア:

[(1, 631158020), (2, 315579010), (4, 157789505), (5, 126231604), (10, 63115802), (20, 31557901), (1867, 338060), (3734, 169030), (7468, 84515), (9335, 67612), (16903, 37340), (18670, 33806)]