20353860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1637

約数の個数: 72

約数和(自身を含む): 62626200

約数和(自身を除く): 42272340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 1549, 2190, 2628, 3098, 3285, 4380, 4647, 6196, 6570, 7745, 9294, 13140, 13941, 15490, 18588, 23235, 27882, 30980, 46470, 55764, 69705, 92940, 113077, 139410, 226154, 278820, 339231, 452308, 565385, 678462, 1017693, 1130770, 1356924, 1696155, 2035386, 2261540, 3392310, 4070772, 5088465, 6784620, 10176930, 20353860]

約数ペア:

[(1, 20353860), (2, 10176930), (3, 6784620), (4, 5088465), (5, 4070772), (6, 3392310), (9, 2261540), (10, 2035386), (12, 1696155), (15, 1356924), (18, 1130770), (20, 1017693), (30, 678462), (36, 565385), (45, 452308), (60, 339231), (73, 278820), (90, 226154), (146, 139410), (180, 113077), (219, 92940), (292, 69705), (365, 55764), (438, 46470), (657, 30980), (730, 27882), (876, 23235), (1095, 18588), (1314, 15490), (1460, 13941), (1549, 13140), (2190, 9294), (2628, 7745), (3098, 6570), (3285, 6196), (4380, 4647)]