20953847068

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1399}}^1\times {\mathrm{6947}}^1$

素因数の和:8375

約数の個数: 72

約数和(自身を含む): 46573833600

約数和(自身を除く): 25619986532

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 1399, 2156, 2798, 5596, 6947, 9793, 13894, 15389, 19586, 27788, 30778, 39172, 48629, 61556, 68551, 76417, 97258, 107723, 137102, 152834, 194516, 215446, 274204, 305668, 340403, 430892, 534919, 680806, 754061, 1069838, 1361612, 1508122, 2139676, 3016244, 3744433, 7488866, 9718853, 14977732, 19437706, 38875412, 68031971, 106907383, 136063942, 213814766, 272127884, 427629532, 476223797, 748351681, 952447594, 1496703362, 1904895188, 2993406724, 5238461767, 10476923534, 20953847068]

約数ペア:

[(1, 20953847068), (2, 10476923534), (4, 5238461767), (7, 2993406724), (11, 1904895188), (14, 1496703362), (22, 952447594), (28, 748351681), (44, 476223797), (49, 427629532), (77, 272127884), (98, 213814766), (154, 136063942), (196, 106907383), (308, 68031971), (539, 38875412), (1078, 19437706), (1399, 14977732), (2156, 9718853), (2798, 7488866), (5596, 3744433), (6947, 3016244), (9793, 2139676), (13894, 1508122), (15389, 1361612), (19586, 1069838), (27788, 754061), (30778, 680806), (39172, 534919), (48629, 430892), (61556, 340403), (68551, 305668), (76417, 274204), (97258, 215446), (107723, 194516), (137102, 152834)]