20465388

素因数分解:

$2^2\times 3^2\times {\mathrm{367}}^1\times {\mathrm{1549}}^1$

素因数の和:1926

約数の個数: 36

約数和(自身を含む): 51906400

約数和(自身を除く): 31441012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 367, 734, 1101, 1468, 1549, 2202, 3098, 3303, 4404, 4647, 6196, 6606, 9294, 13212, 13941, 18588, 27882, 55764, 568483, 1136966, 1705449, 2273932, 3410898, 5116347, 6821796, 10232694, 20465388]

約数ペア:

[(1, 20465388), (2, 10232694), (3, 6821796), (4, 5116347), (6, 3410898), (9, 2273932), (12, 1705449), (18, 1136966), (36, 568483), (367, 55764), (734, 27882), (1101, 18588), (1468, 13941), (1549, 13212), (2202, 9294), (3098, 6606), (3303, 6196), (4404, 4647)]