20830746440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11909}}^1\times {\mathrm{6247}}^1$

素因数の和:18174

約数の個数: 64

約数和(自身を含む): 53577849600

約数和(自身を除く): 32747103160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6247, 11909, 12494, 23818, 24988, 31235, 43729, 47636, 49976, 59545, 62470, 83363, 87458, 95272, 119090, 124940, 166726, 174916, 218645, 238180, 249880, 333452, 349832, 416815, 437290, 476360, 666904, 833630, 874580, 1667260, 1749160, 3334520, 74395523, 148791046, 297582092, 371977615, 520768661, 595164184, 743955230, 1041537322, 1487910460, 2083074644, 2603843305, 2975820920, 4166149288, 5207686610, 10415373220, 20830746440]

約数ペア:

[(1, 20830746440), (2, 10415373220), (4, 5207686610), (5, 4166149288), (7, 2975820920), (8, 2603843305), (10, 2083074644), (14, 1487910460), (20, 1041537322), (28, 743955230), (35, 595164184), (40, 520768661), (56, 371977615), (70, 297582092), (140, 148791046), (280, 74395523), (6247, 3334520), (11909, 1749160), (12494, 1667260), (23818, 874580), (24988, 833630), (31235, 666904), (43729, 476360), (47636, 437290), (49976, 416815), (59545, 349832), (62470, 333452), (83363, 249880), (87458, 238180), (95272, 218645), (119090, 174916), (124940, 166726)]