20697660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38329}}^1$

素因数の和:38347

約数の個数: 48

約数和(自身を含む): 64394400

約数和(自身を除く): 43696740

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, 38329, 76658, 114987, 153316, 191645, 229974, 344961, 383290, 459948, 574935, 689922, 766580, 1034883, 1149870, 1379844, 1724805, 2069766, 2299740, 3449610, 4139532, 5174415, 6899220, 10348830, 20697660]

約数ペア:

[(1, 20697660), (2, 10348830), (3, 6899220), (4, 5174415), (5, 4139532), (6, 3449610), (9, 2299740), (10, 2069766), (12, 1724805), (15, 1379844), (18, 1149870), (20, 1034883), (27, 766580), (30, 689922), (36, 574935), (45, 459948), (54, 383290), (60, 344961), (90, 229974), (108, 191645), (135, 153316), (180, 114987), (270, 76658), (540, 38329)]