20973660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3461}}^1$

素因数の和:3574

約数の個数: 48

約数和(自身を含む): 59324832

約数和(自身を除く): 38351172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3461, 6060, 6922, 10383, 13844, 17305, 20766, 34610, 41532, 51915, 69220, 103830, 207660, 349561, 699122, 1048683, 1398244, 1747805, 2097366, 3495610, 4194732, 5243415, 6991220, 10486830, 20973660]

約数ペア:

[(1, 20973660), (2, 10486830), (3, 6991220), (4, 5243415), (5, 4194732), (6, 3495610), (10, 2097366), (12, 1747805), (15, 1398244), (20, 1048683), (30, 699122), (60, 349561), (101, 207660), (202, 103830), (303, 69220), (404, 51915), (505, 41532), (606, 34610), (1010, 20766), (1212, 17305), (1515, 13844), (2020, 10383), (3030, 6922), (3461, 6060)]