20761968

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{9203}}^1$

素因数の和:9261

約数の個数: 40

約数和(自身を含む): 54782208

約数和(自身を除く): 34020240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 9203, 18406, 27609, 36812, 55218, 73624, 110436, 147248, 220872, 432541, 441744, 865082, 1297623, 1730164, 2595246, 3460328, 5190492, 6920656, 10380984, 20761968]

約数ペア:

[(1, 20761968), (2, 10380984), (3, 6920656), (4, 5190492), (6, 3460328), (8, 2595246), (12, 1730164), (16, 1297623), (24, 865082), (47, 441744), (48, 432541), (94, 220872), (141, 147248), (188, 110436), (282, 73624), (376, 55218), (564, 36812), (752, 27609), (1128, 18406), (2256, 9203)]