20662404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245981}}^1$

素因数の和:245995

約数の個数: 24

約数和(自身を含む): 55099968

約数和(自身を除く): 34437564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245981, 491962, 737943, 983924, 1475886, 1721867, 2951772, 3443734, 5165601, 6887468, 10331202, 20662404]

約数ペア:

[(1, 20662404), (2, 10331202), (3, 6887468), (4, 5165601), (6, 3443734), (7, 2951772), (12, 1721867), (14, 1475886), (21, 983924), (28, 737943), (42, 491962), (84, 245981)]