20973030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53777}}^1$

素因数の和:53800

約数の個数: 32

約数和(自身を含む): 54208224

約数和(自身を除く): 33235194

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53777, 107554, 161331, 268885, 322662, 537770, 699101, 806655, 1398202, 1613310, 2097303, 3495505, 4194606, 6991010, 10486515, 20973030]

約数ペア:

[(1, 20973030), (2, 10486515), (3, 6991010), (5, 4194606), (6, 3495505), (10, 2097303), (13, 1613310), (15, 1398202), (26, 806655), (30, 699101), (39, 537770), (65, 322662), (78, 268885), (130, 161331), (195, 107554), (390, 53777)]