20546115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 35069760

約数和(自身を除く): 14523645

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 409, 591, 985, 1227, 2045, 2955, 3349, 6135, 6953, 10047, 16745, 20859, 34765, 50235, 80573, 104295, 241719, 402865, 1208595, 1369741, 4109223, 6848705, 20546115]

約数ペア:

[(1, 20546115), (3, 6848705), (5, 4109223), (15, 1369741), (17, 1208595), (51, 402865), (85, 241719), (197, 104295), (255, 80573), (409, 50235), (591, 34765), (985, 20859), (1227, 16745), (2045, 10047), (2955, 6953), (3349, 6135)]