20232080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 52121664

約数和(自身を除く): 31889584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 277, 332, 415, 440, 554, 664, 830, 880, 913, 1108, 1328, 1385, 1660, 1826, 2216, 2770, 3047, 3320, 3652, 4432, 4565, 5540, 6094, 6640, 7304, 9130, 11080, 12188, 14608, 15235, 18260, 22160, 22991, 24376, 30470, 36520, 45982, 48752, 60940, 73040, 91964, 114955, 121880, 183928, 229910, 243760, 252901, 367856, 459820, 505802, 919640, 1011604, 1264505, 1839280, 2023208, 2529010, 4046416, 5058020, 10116040, 20232080]

約数ペア:

[(1, 20232080), (2, 10116040), (4, 5058020), (5, 4046416), (8, 2529010), (10, 2023208), (11, 1839280), (16, 1264505), (20, 1011604), (22, 919640), (40, 505802), (44, 459820), (55, 367856), (80, 252901), (83, 243760), (88, 229910), (110, 183928), (166, 121880), (176, 114955), (220, 91964), (277, 73040), (332, 60940), (415, 48752), (440, 45982), (554, 36520), (664, 30470), (830, 24376), (880, 22991), (913, 22160), (1108, 18260), (1328, 15235), (1385, 14608), (1660, 12188), (1826, 11080), (2216, 9130), (2770, 7304), (3047, 6640), (3320, 6094), (3652, 5540), (4432, 4565)]