20194696840

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1\times {\mathrm{4297}}^1$

素因数の和:5002

約数の個数: 64

約数和(自身を含む): 45717482160

約数和(自身を除く): 25522785320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 401, 586, 802, 1172, 1465, 1604, 2005, 2344, 2930, 3208, 4010, 4297, 5860, 8020, 8594, 11720, 16040, 17188, 21485, 34376, 42970, 85940, 117493, 171880, 234986, 469972, 587465, 939944, 1174930, 1259021, 1723097, 2349860, 2518042, 3446194, 4699720, 5036084, 6295105, 6892388, 8615485, 10072168, 12590210, 13784776, 17230970, 25180420, 34461940, 50360840, 68923880, 504867421, 1009734842, 2019469684, 2524337105, 4038939368, 5048674210, 10097348420, 20194696840]

約数ペア:

[(1, 20194696840), (2, 10097348420), (4, 5048674210), (5, 4038939368), (8, 2524337105), (10, 2019469684), (20, 1009734842), (40, 504867421), (293, 68923880), (401, 50360840), (586, 34461940), (802, 25180420), (1172, 17230970), (1465, 13784776), (1604, 12590210), (2005, 10072168), (2344, 8615485), (2930, 6892388), (3208, 6295105), (4010, 5036084), (4297, 4699720), (5860, 3446194), (8020, 2518042), (8594, 2349860), (11720, 1723097), (16040, 1259021), (17188, 1174930), (21485, 939944), (34376, 587465), (42970, 469972), (85940, 234986), (117493, 171880)]