20285220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6379}}^1$

素因数の和:6444

約数の個数: 48

約数和(自身を含む): 57879360

約数和(自身を除く): 37594140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6379, 12758, 19137, 25516, 31895, 38274, 63790, 76548, 95685, 127580, 191370, 338087, 382740, 676174, 1014261, 1352348, 1690435, 2028522, 3380870, 4057044, 5071305, 6761740, 10142610, 20285220]

約数ペア:

[(1, 20285220), (2, 10142610), (3, 6761740), (4, 5071305), (5, 4057044), (6, 3380870), (10, 2028522), (12, 1690435), (15, 1352348), (20, 1014261), (30, 676174), (53, 382740), (60, 338087), (106, 191370), (159, 127580), (212, 95685), (265, 76548), (318, 63790), (530, 38274), (636, 31895), (795, 25516), (1060, 19137), (1590, 12758), (3180, 6379)]