20005644

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 28378356

約数列:

[1, 2, 3, 4, 6, 12, 47, 79, 94, 141, 158, 188, 237, 282, 316, 449, 474, 564, 898, 948, 1347, 1796, 2694, 3713, 5388, 7426, 11139, 14852, 21103, 22278, 35471, 42206, 44556, 63309, 70942, 84412, 106413, 126618, 141884, 212826, 253236, 425652, 1667137, 3334274, 5001411, 6668548, 10002822, 20005644]

約数ペア:

[(1, 20005644), (2, 10002822), (3, 6668548), (4, 5001411), (6, 3334274), (12, 1667137), (47, 425652), (79, 253236), (94, 212826), (141, 141884), (158, 126618), (188, 106413), (237, 84412), (282, 70942), (316, 63309), (449, 44556), (474, 42206), (564, 35471), (898, 22278), (948, 21103), (1347, 14852), (1796, 11139), (2694, 7426), (3713, 5388)]