20145201538

素因数分解:

$2^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13151}}^1$

素因数の和:13221

約数の個数: 80

約数和(自身を含む): 39785852160

約数和(自身を除く): 19640650622

約数列:

[1, 2, 7, 11, 14, 22, 29, 49, 58, 77, 98, 154, 203, 319, 343, 406, 539, 638, 686, 1078, 1421, 2233, 2401, 2842, 3773, 4466, 4802, 7546, 9947, 13151, 15631, 19894, 26302, 26411, 31262, 52822, 69629, 92057, 109417, 139258, 144661, 184114, 218834, 289322, 381379, 644399, 762758, 765919, 1012627, 1288798, 1531838, 2025254, 2669653, 4195169, 4510793, 5339306, 7088389, 8390338, 9021586, 14176778, 18687571, 29366183, 31575551, 37375142, 49618723, 58732366, 63151102, 99237446, 130812997, 205563281, 261625994, 347331061, 411126562, 694662122, 915690979, 1438942967, 1831381958, 2877885934, 10072600769, 20145201538]

約数ペア:

[(1, 20145201538), (2, 10072600769), (7, 2877885934), (11, 1831381958), (14, 1438942967), (22, 915690979), (29, 694662122), (49, 411126562), (58, 347331061), (77, 261625994), (98, 205563281), (154, 130812997), (203, 99237446), (319, 63151102), (343, 58732366), (406, 49618723), (539, 37375142), (638, 31575551), (686, 29366183), (1078, 18687571), (1421, 14176778), (2233, 9021586), (2401, 8390338), (2842, 7088389), (3773, 5339306), (4466, 4510793), (4802, 4195169), (7546, 2669653), (9947, 2025254), (13151, 1531838), (15631, 1288798), (19894, 1012627), (26302, 765919), (26411, 762758), (31262, 644399), (52822, 381379), (69629, 289322), (92057, 218834), (109417, 184114), (139258, 144661)]