20777013

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 32803200

約数和(自身を除く): 12026187

約数列:

[1, 3, 9, 19, 27, 57, 101, 171, 303, 401, 513, 909, 1203, 1919, 2727, 3609, 5757, 7619, 10827, 17271, 22857, 40501, 51813, 68571, 121503, 205713, 364509, 769519, 1093527, 2308557, 6925671, 20777013]

約数ペア:

[(1, 20777013), (3, 6925671), (9, 2308557), (19, 1093527), (27, 769519), (57, 364509), (101, 205713), (171, 121503), (303, 68571), (401, 51813), (513, 40501), (909, 22857), (1203, 17271), (1919, 10827), (2727, 7619), (3609, 5757)]