16620915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 28972800

約数和(自身を除く): 12351885

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2011, 2755, 6033, 8265, 10055, 30165, 38209, 58319, 114627, 174957, 191045, 291595, 573135, 874785, 1108061, 3324183, 5540305, 16620915]

約数ペア:

[(1, 16620915), (3, 5540305), (5, 3324183), (15, 1108061), (19, 874785), (29, 573135), (57, 291595), (87, 191045), (95, 174957), (145, 114627), (285, 58319), (435, 38209), (551, 30165), (1653, 10055), (2011, 8265), (2755, 6033)]