20953690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 41926248

約数和(自身を除く): 20972558

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 233, 391, 466, 529, 782, 1058, 1165, 1955, 2330, 2645, 3910, 3961, 5290, 5359, 7922, 8993, 10718, 17986, 19805, 26795, 39610, 44965, 53590, 89930, 91103, 123257, 182206, 246514, 455515, 616285, 911030, 1232570, 2095369, 4190738, 10476845, 20953690]

約数ペア:

[(1, 20953690), (2, 10476845), (5, 4190738), (10, 2095369), (17, 1232570), (23, 911030), (34, 616285), (46, 455515), (85, 246514), (115, 182206), (170, 123257), (230, 91103), (233, 89930), (391, 53590), (466, 44965), (529, 39610), (782, 26795), (1058, 19805), (1165, 17986), (1955, 10718), (2330, 8993), (2645, 7922), (3910, 5359), (3961, 5290)]