20723580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38377}}^1$

素因数の和:38395

約数の個数: 48

約数和(自身を含む): 64475040

約数和(自身を除く): 43751460

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, 38377, 76754, 115131, 153508, 191885, 230262, 345393, 383770, 460524, 575655, 690786, 767540, 1036179, 1151310, 1381572, 1726965, 2072358, 2302620, 3453930, 4144716, 5180895, 6907860, 10361790, 20723580]

約数ペア:

[(1, 20723580), (2, 10361790), (3, 6907860), (4, 5180895), (5, 4144716), (6, 3453930), (9, 2302620), (10, 2072358), (12, 1726965), (15, 1381572), (18, 1151310), (20, 1036179), (27, 767540), (30, 690786), (36, 575655), (45, 460524), (54, 383770), (60, 345393), (90, 230262), (108, 191885), (135, 153508), (180, 115131), (270, 76754), (540, 38377)]