20321291235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{36857}}^1$

素因数の和:37020

約数の個数: 64

約数和(自身を含む): 38214374400

約数和(自身を除く): 17893083165

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 89, 105, 177, 267, 295, 413, 445, 623, 885, 1239, 1335, 1869, 2065, 3115, 5251, 6195, 9345, 15753, 26255, 36757, 36857, 78765, 110271, 110571, 183785, 184285, 257999, 551355, 552855, 773997, 1289995, 2174563, 3280273, 3869985, 6523689, 9840819, 10872815, 15221941, 16401365, 22961911, 32618445, 45665823, 49204095, 68885733, 76109705, 114809555, 193536107, 228329115, 344428665, 580608321, 967680535, 1354752749, 2903041605, 4064258247, 6773763745, 20321291235]

約数ペア:

[(1, 20321291235), (3, 6773763745), (5, 4064258247), (7, 2903041605), (15, 1354752749), (21, 967680535), (35, 580608321), (59, 344428665), (89, 228329115), (105, 193536107), (177, 114809555), (267, 76109705), (295, 68885733), (413, 49204095), (445, 45665823), (623, 32618445), (885, 22961911), (1239, 16401365), (1335, 15221941), (1869, 10872815), (2065, 9840819), (3115, 6523689), (5251, 3869985), (6195, 3280273), (9345, 2174563), (15753, 1289995), (26255, 773997), (36757, 552855), (36857, 551355), (78765, 257999), (110271, 184285), (110571, 183785)]