20144235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 34385472

約数和(自身を除く): 14241237

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 401, 591, 985, 1203, 2005, 2955, 3349, 6015, 6817, 10047, 16745, 20451, 34085, 50235, 78997, 102255, 236991, 394985, 1184955, 1342949, 4028847, 6714745, 20144235]

約数ペア:

[(1, 20144235), (3, 6714745), (5, 4028847), (15, 1342949), (17, 1184955), (51, 394985), (85, 236991), (197, 102255), (255, 78997), (401, 50235), (591, 34085), (985, 20451), (1203, 16745), (2005, 10047), (2955, 6817), (3349, 6015)]