20155704885

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19474111}}^1$

素因数の和:19474145

約数の個数: 24

約数和(自身を含む): 36455537664

約数和(自身を除く): 16299832779

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19474111, 58422333, 97370555, 175266999, 292111665, 447904553, 876334995, 1343713659, 2239522765, 4031140977, 6718568295, 20155704885]

約数ペア:

[(1, 20155704885), (3, 6718568295), (5, 4031140977), (9, 2239522765), (15, 1343713659), (23, 876334995), (45, 447904553), (69, 292111665), (115, 175266999), (207, 97370555), (345, 58422333), (1035, 19474111)]