20437380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37847}}^1$

素因数の和:37865

約数の個数: 48

約数和(自身を含む): 63584640

約数和(自身を除く): 43147260

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, 37847, 75694, 113541, 151388, 189235, 227082, 340623, 378470, 454164, 567705, 681246, 756940, 1021869, 1135410, 1362492, 1703115, 2043738, 2270820, 3406230, 4087476, 5109345, 6812460, 10218690, 20437380]

約数ペア:

[(1, 20437380), (2, 10218690), (3, 6812460), (4, 5109345), (5, 4087476), (6, 3406230), (9, 2270820), (10, 2043738), (12, 1703115), (15, 1362492), (18, 1135410), (20, 1021869), (27, 756940), (30, 681246), (36, 567705), (45, 454164), (54, 378470), (60, 340623), (90, 227082), (108, 189235), (135, 151388), (180, 113541), (270, 75694), (540, 37847)]