20144774485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{29761}}^1$

素因数の和:30205

約数の個数: 32

約数和(自身を含む): 27291515904

約数和(自身を除く): 7146741419

約数列:

[1, 5, 11, 31, 55, 155, 341, 397, 1705, 1985, 4367, 12307, 21835, 29761, 61535, 135377, 148805, 327371, 676885, 922591, 1636855, 4612955, 10148501, 11815117, 50742505, 59075585, 129966287, 366268627, 649831435, 1831343135, 4028954897, 20144774485]

約数ペア:

[(1, 20144774485), (5, 4028954897), (11, 1831343135), (31, 649831435), (55, 366268627), (155, 129966287), (341, 59075585), (397, 50742505), (1705, 11815117), (1985, 10148501), (4367, 4612955), (12307, 1636855), (21835, 922591), (29761, 676885), (61535, 327371), (135377, 148805)]