20123351605

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{47837}}^1$

素因数の和:47974

約数の個数: 48

約数和(自身を含む): 30038054256

約数和(自身を除く): 9914702651

約数列:

[1, 5, 7, 17, 35, 49, 85, 101, 119, 245, 505, 595, 707, 833, 1717, 3535, 4165, 4949, 8585, 12019, 24745, 47837, 60095, 84133, 239185, 334859, 420665, 813229, 1674295, 2344013, 4066145, 4831537, 5692603, 11720065, 24157685, 28463015, 33820759, 39848221, 82136129, 169103795, 199241105, 236745313, 410680645, 574952903, 1183726565, 2874764515, 4024670321, 20123351605]

約数ペア:

[(1, 20123351605), (5, 4024670321), (7, 2874764515), (17, 1183726565), (35, 574952903), (49, 410680645), (85, 236745313), (101, 199241105), (119, 169103795), (245, 82136129), (505, 39848221), (595, 33820759), (707, 28463015), (833, 24157685), (1717, 11720065), (3535, 5692603), (4165, 4831537), (4949, 4066145), (8585, 2344013), (12019, 1674295), (24745, 813229), (47837, 420665), (60095, 334859), (84133, 239185)]