15920940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37907}}^1$

素因数の和:37926

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 35027412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37907, 75814, 113721, 151628, 189535, 227442, 265349, 379070, 454884, 530698, 568605, 758140, 796047, 1061396, 1137210, 1326745, 1592094, 2274420, 2653490, 3184188, 3980235, 5306980, 7960470, 15920940]

約数ペア:

[(1, 15920940), (2, 7960470), (3, 5306980), (4, 3980235), (5, 3184188), (6, 2653490), (7, 2274420), (10, 1592094), (12, 1326745), (14, 1137210), (15, 1061396), (20, 796047), (21, 758140), (28, 568605), (30, 530698), (35, 454884), (42, 379070), (60, 265349), (70, 227442), (84, 189535), (105, 151628), (140, 113721), (210, 75814), (420, 37907)]