20026980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37087}}^1$

素因数の和:37105

約数の個数: 48

約数和(自身を含む): 62307840

約数和(自身を除く): 42280860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37087, 74174, 111261, 148348, 185435, 222522, 333783, 370870, 445044, 556305, 667566, 741740, 1001349, 1112610, 1335132, 1668915, 2002698, 2225220, 3337830, 4005396, 5006745, 6675660, 10013490, 20026980]

約数ペア:

[(1, 20026980), (2, 10013490), (3, 6675660), (4, 5006745), (5, 4005396), (6, 3337830), (9, 2225220), (10, 2002698), (12, 1668915), (15, 1335132), (18, 1112610), (20, 1001349), (27, 741740), (30, 667566), (36, 556305), (45, 445044), (54, 370870), (60, 333783), (90, 222522), (108, 185435), (135, 148348), (180, 111261), (270, 74174), (540, 37087)]