20805919624

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^2\times {\mathrm{223}}^1\times {\mathrm{1217}}^1$

素因数の和:1527

約数の個数: 96

約数和(自身を含む): 46064954880

約数和(自身を除く): 25259035256

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 223, 259, 296, 446, 518, 892, 1036, 1217, 1369, 1561, 1784, 2072, 2434, 2738, 3122, 4868, 5476, 6244, 8251, 8519, 9583, 9736, 10952, 12488, 16502, 17038, 19166, 33004, 34076, 38332, 45029, 57757, 66008, 68152, 76664, 90058, 115514, 180116, 231028, 271391, 305287, 315203, 360232, 462056, 542782, 610574, 630406, 1085564, 1221148, 1260812, 1666073, 1899737, 2137009, 2171128, 2442296, 2521624, 3332146, 3799474, 4274018, 6664292, 7598948, 8548036, 10041467, 11662511, 13328584, 15197896, 17096072, 20082934, 23325022, 40165868, 46650044, 70290269, 80331736, 93300088, 140580538, 281161076, 371534279, 562322152, 743068558, 1486137116, 2600739953, 2972274232, 5201479906, 10402959812, 20805919624]

約数ペア:

[(1, 20805919624), (2, 10402959812), (4, 5201479906), (7, 2972274232), (8, 2600739953), (14, 1486137116), (28, 743068558), (37, 562322152), (56, 371534279), (74, 281161076), (148, 140580538), (223, 93300088), (259, 80331736), (296, 70290269), (446, 46650044), (518, 40165868), (892, 23325022), (1036, 20082934), (1217, 17096072), (1369, 15197896), (1561, 13328584), (1784, 11662511), (2072, 10041467), (2434, 8548036), (2738, 7598948), (3122, 6664292), (4868, 4274018), (5476, 3799474), (6244, 3332146), (8251, 2521624), (8519, 2442296), (9583, 2171128), (9736, 2137009), (10952, 1899737), (12488, 1666073), (16502, 1260812), (17038, 1221148), (19166, 1085564), (33004, 630406), (34076, 610574), (38332, 542782), (45029, 462056), (57757, 360232), (66008, 315203), (68152, 305287), (76664, 271391), (90058, 231028), (115514, 180116)]