20746464

素因数分解:

$2^5\times 3^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 54785808

約数和(自身を除く): 34039344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 197, 394, 591, 788, 1097, 1182, 1576, 2194, 2364, 3152, 3291, 4388, 4728, 6304, 6582, 8776, 9456, 13164, 17552, 18912, 26328, 35104, 52656, 105312, 216109, 432218, 648327, 864436, 1296654, 1728872, 2593308, 3457744, 5186616, 6915488, 10373232, 20746464]

約数ペア:

[(1, 20746464), (2, 10373232), (3, 6915488), (4, 5186616), (6, 3457744), (8, 2593308), (12, 1728872), (16, 1296654), (24, 864436), (32, 648327), (48, 432218), (96, 216109), (197, 105312), (394, 52656), (591, 35104), (788, 26328), (1097, 18912), (1182, 17552), (1576, 13164), (2194, 9456), (2364, 8776), (3152, 6582), (3291, 6304), (4388, 4728)]