20291738103

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{854353}}^1$

素因数の和:854408

約数の個数: 48

約数和(自身を含む): 37318182720

約数和(自身を除く): 17026444617

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3393, 7917, 23751, 854353, 2563059, 5980471, 7689177, 11106589, 17941413, 24776237, 33319767, 53824239, 74328711, 77746123, 99959301, 173433659, 222986133, 233238369, 322091081, 520300977, 699715107, 966273243, 1560902931, 2254637567, 2898819729, 6763912701, 20291738103]

約数ペア:

[(1, 20291738103), (3, 6763912701), (7, 2898819729), (9, 2254637567), (13, 1560902931), (21, 966273243), (29, 699715107), (39, 520300977), (63, 322091081), (87, 233238369), (91, 222986133), (117, 173433659), (203, 99959301), (261, 77746123), (273, 74328711), (377, 53824239), (609, 33319767), (819, 24776237), (1131, 17941413), (1827, 11106589), (2639, 7689177), (3393, 5980471), (7917, 2563059), (23751, 854353)]