20069982723

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1153

約数の個数: 96

約数和(自身を含む): 33680130048

約数和(自身を除く): 13610147325

約数列:

[1, 3, 7, 17, 21, 47, 51, 71, 119, 141, 213, 289, 329, 357, 497, 799, 867, 987, 991, 1207, 1491, 2023, 2397, 2973, 3337, 3621, 5593, 6069, 6937, 8449, 10011, 13583, 16779, 16847, 20519, 20811, 23359, 25347, 40749, 46577, 50541, 56729, 61557, 70077, 70361, 95081, 117929, 139731, 143633, 170187, 211083, 285243, 286399, 326039, 353787, 397103, 430899, 492527, 791809, 859197, 964393, 978117, 1191309, 1196137, 1477581, 2004793, 2375427, 2893179, 3306967, 3588411, 5542663, 6014379, 6750751, 8372959, 9920901, 13460753, 16627989, 20252253, 20334329, 23148769, 25118877, 40382259, 56218439, 61002987, 69446307, 94225271, 142340303, 168655317, 282675813, 393529073, 427020909, 955713463, 1180587219, 2867140389, 6689994241, 20069982723]

約数ペア:

[(1, 20069982723), (3, 6689994241), (7, 2867140389), (17, 1180587219), (21, 955713463), (47, 427020909), (51, 393529073), (71, 282675813), (119, 168655317), (141, 142340303), (213, 94225271), (289, 69446307), (329, 61002987), (357, 56218439), (497, 40382259), (799, 25118877), (867, 23148769), (987, 20334329), (991, 20252253), (1207, 16627989), (1491, 13460753), (2023, 9920901), (2397, 8372959), (2973, 6750751), (3337, 6014379), (3621, 5542663), (5593, 3588411), (6069, 3306967), (6937, 2893179), (8449, 2375427), (10011, 2004793), (13583, 1477581), (16779, 1196137), (16847, 1191309), (20519, 978117), (20811, 964393), (23359, 859197), (25347, 791809), (40749, 492527), (46577, 430899), (50541, 397103), (56729, 353787), (61557, 326039), (70077, 286399), (70361, 285243), (95081, 211083), (117929, 170187), (139731, 143633)]