20163930878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1\times {\mathrm{3251}}^1$

素因数の和:3969

約数の個数: 64

約数和(自身を含む): 37998761472

約数和(自身を除く): 17834830594

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 643, 689, 742, 1286, 1378, 3251, 4501, 4823, 6502, 8359, 9002, 9646, 16718, 22757, 34079, 42263, 45514, 58513, 68158, 84526, 117026, 172303, 238553, 295841, 344606, 443027, 477106, 591682, 886054, 1206121, 2090393, 2239939, 2412242, 3101189, 4180786, 4479878, 6202378, 14632751, 15679573, 27175109, 29265502, 31359146, 54350218, 110790829, 190225763, 221581658, 380451526, 775535803, 1440280777, 1551071606, 2880561554, 10081965439, 20163930878]

約数ペア:

[(1, 20163930878), (2, 10081965439), (7, 2880561554), (13, 1551071606), (14, 1440280777), (26, 775535803), (53, 380451526), (91, 221581658), (106, 190225763), (182, 110790829), (371, 54350218), (643, 31359146), (689, 29265502), (742, 27175109), (1286, 15679573), (1378, 14632751), (3251, 6202378), (4501, 4479878), (4823, 4180786), (6502, 3101189), (8359, 2412242), (9002, 2239939), (9646, 2090393), (16718, 1206121), (22757, 886054), (34079, 591682), (42263, 477106), (45514, 443027), (58513, 344606), (68158, 295841), (84526, 238553), (117026, 172303)]