20891946

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23586774

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 239, 478, 717, 857, 1434, 1714, 2571, 4063, 5142, 8126, 12189, 14569, 24378, 29138, 43707, 87414, 204823, 409646, 614469, 1228938, 3481991, 6963982, 10445973, 20891946]

約数ペア:

[(1, 20891946), (2, 10445973), (3, 6963982), (6, 3481991), (17, 1228938), (34, 614469), (51, 409646), (102, 204823), (239, 87414), (478, 43707), (717, 29138), (857, 24378), (1434, 14569), (1714, 12189), (2571, 8126), (4063, 5142)]