20447370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{75731}}^1$

素因数の和:75747

約数の個数: 32

約数和(自身を含む): 54527040

約数和(自身を除く): 34079670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 75731, 151462, 227193, 378655, 454386, 681579, 757310, 1135965, 1363158, 2044737, 2271930, 3407895, 4089474, 6815790, 10223685, 20447370]

約数ペア:

[(1, 20447370), (2, 10223685), (3, 6815790), (5, 4089474), (6, 3407895), (9, 2271930), (10, 2044737), (15, 1363158), (18, 1135965), (27, 757310), (30, 681579), (45, 454386), (54, 378655), (90, 227193), (135, 151462), (270, 75731)]