20231867740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1429}}^1\times {\mathrm{14447}}^1$

素因数の和:15899

約数の個数: 72

約数和(自身を含む): 49461572160

約数和(自身を除く): 29229704420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1429, 2858, 5716, 7145, 10003, 14290, 14447, 20006, 28580, 28894, 40012, 50015, 57788, 70021, 72235, 100030, 101129, 140042, 144470, 200060, 202258, 280084, 288940, 350105, 404516, 505645, 700210, 707903, 1011290, 1400420, 1415806, 2022580, 2831612, 3539515, 7079030, 14158060, 20644763, 41289526, 82579052, 103223815, 144513341, 206447630, 289026682, 412895260, 578053364, 722566705, 1011593387, 1445133410, 2023186774, 2890266820, 4046373548, 5057966935, 10115933870, 20231867740]

約数ペア:

[(1, 20231867740), (2, 10115933870), (4, 5057966935), (5, 4046373548), (7, 2890266820), (10, 2023186774), (14, 1445133410), (20, 1011593387), (28, 722566705), (35, 578053364), (49, 412895260), (70, 289026682), (98, 206447630), (140, 144513341), (196, 103223815), (245, 82579052), (490, 41289526), (980, 20644763), (1429, 14158060), (2858, 7079030), (5716, 3539515), (7145, 2831612), (10003, 2022580), (14290, 1415806), (14447, 1400420), (20006, 1011290), (28580, 707903), (28894, 700210), (40012, 505645), (50015, 404516), (57788, 350105), (70021, 288940), (72235, 280084), (100030, 202258), (101129, 200060), (140042, 144470)]