20932720

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1123}}^1$

素因数の和:1369

約数の個数: 40

約数和(自身を含む): 48920976

約数和(自身を除く): 27988256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1123, 1165, 1864, 2246, 2330, 3728, 4492, 4660, 5615, 8984, 9320, 11230, 17968, 18640, 22460, 44920, 89840, 261659, 523318, 1046636, 1308295, 2093272, 2616590, 4186544, 5233180, 10466360, 20932720]

約数ペア:

[(1, 20932720), (2, 10466360), (4, 5233180), (5, 4186544), (8, 2616590), (10, 2093272), (16, 1308295), (20, 1046636), (40, 523318), (80, 261659), (233, 89840), (466, 44920), (932, 22460), (1123, 18640), (1165, 17968), (1864, 11230), (2246, 9320), (2330, 8984), (3728, 5615), (4492, 4660)]