20211886539

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1\times {\mathrm{3191}}^1$

素因数の和:4512

約数の個数: 48

約数和(自身を含む): 32207535360

約数和(自身を除く): 11995648821

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1259, 1677, 3191, 3777, 5031, 9573, 11331, 16367, 28719, 41483, 49101, 54137, 124449, 137213, 147303, 162411, 373347, 411639, 487233, 703781, 1234917, 1783769, 2111343, 4017469, 5351307, 6334029, 12052407, 16053921, 36157221, 52227097, 156681291, 172751167, 470043873, 518253501, 1554760503, 2245765171, 6737295513, 20211886539]

約数ペア:

[(1, 20211886539), (3, 6737295513), (9, 2245765171), (13, 1554760503), (39, 518253501), (43, 470043873), (117, 172751167), (129, 156681291), (387, 52227097), (559, 36157221), (1259, 16053921), (1677, 12052407), (3191, 6334029), (3777, 5351307), (5031, 4017469), (9573, 2111343), (11331, 1783769), (16367, 1234917), (28719, 703781), (41483, 487233), (49101, 411639), (54137, 373347), (124449, 162411), (137213, 147303)]