20215950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 50413440

約数和(自身を除く): 30197490

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 307, 439, 614, 878, 921, 1317, 1535, 1842, 2195, 2634, 3070, 4390, 4605, 6585, 7675, 9210, 10975, 13170, 15350, 21950, 23025, 32925, 46050, 65850, 134773, 269546, 404319, 673865, 808638, 1347730, 2021595, 3369325, 4043190, 6738650, 10107975, 20215950]

約数ペア:

[(1, 20215950), (2, 10107975), (3, 6738650), (5, 4043190), (6, 3369325), (10, 2021595), (15, 1347730), (25, 808638), (30, 673865), (50, 404319), (75, 269546), (150, 134773), (307, 65850), (439, 46050), (614, 32925), (878, 23025), (921, 21950), (1317, 15350), (1535, 13170), (1842, 10975), (2195, 9210), (2634, 7675), (3070, 6585), (4390, 4605)]