20639664

素因数分解:

$2^4\times 3^3\times {\mathrm{47777}}^1$

素因数の和:47794

約数の個数: 40

約数和(自身を含む): 59244720

約数和(自身を除く): 38605056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 47777, 95554, 143331, 191108, 286662, 382216, 429993, 573324, 764432, 859986, 1146648, 1289979, 1719972, 2293296, 2579958, 3439944, 5159916, 6879888, 10319832, 20639664]

約数ペア:

[(1, 20639664), (2, 10319832), (3, 6879888), (4, 5159916), (6, 3439944), (8, 2579958), (9, 2293296), (12, 1719972), (16, 1289979), (18, 1146648), (24, 859986), (27, 764432), (36, 573324), (48, 429993), (54, 382216), (72, 286662), (108, 191108), (144, 143331), (216, 95554), (432, 47777)]