20665050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19681}}^1$

素因数の和:19703

約数の個数: 48

約数和(自身を含む): 58573632

約数和(自身を除く): 37908582

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19681, 39362, 59043, 98405, 118086, 137767, 196810, 275534, 295215, 413301, 492025, 590430, 688835, 826602, 984050, 1377670, 1476075, 2066505, 2952150, 3444175, 4133010, 6888350, 10332525, 20665050]

約数ペア:

[(1, 20665050), (2, 10332525), (3, 6888350), (5, 4133010), (6, 3444175), (7, 2952150), (10, 2066505), (14, 1476075), (15, 1377670), (21, 984050), (25, 826602), (30, 688835), (35, 590430), (42, 492025), (50, 413301), (70, 295215), (75, 275534), (105, 196810), (150, 137767), (175, 118086), (210, 98405), (350, 59043), (525, 39362), (1050, 19681)]