20128103416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{307243}}^1$

素因数の和:307699

約数の個数: 32

約数和(自身を含む): 39818822400

約数和(自身を除く): 19690718984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1724, 3448, 8189, 16378, 32756, 65512, 307243, 614486, 1228972, 2457944, 5837617, 11675234, 23350468, 46700936, 132421733, 264843466, 529686932, 1059373864, 2516012927, 5032025854, 10064051708, 20128103416]

約数ペア:

[(1, 20128103416), (2, 10064051708), (4, 5032025854), (8, 2516012927), (19, 1059373864), (38, 529686932), (76, 264843466), (152, 132421733), (431, 46700936), (862, 23350468), (1724, 11675234), (3448, 5837617), (8189, 2457944), (16378, 1228972), (32756, 614486), (65512, 307243)]