20642964

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2153}}^1$

素因数の和:2224

約数の個数: 48

約数和(自身を含む): 52109568

約数和(自身を除く): 31466604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 47, 51, 68, 94, 102, 141, 188, 204, 282, 564, 799, 1598, 2153, 2397, 3196, 4306, 4794, 6459, 8612, 9588, 12918, 25836, 36601, 73202, 101191, 109803, 146404, 202382, 219606, 303573, 404764, 439212, 607146, 1214292, 1720247, 3440494, 5160741, 6880988, 10321482, 20642964]

約数ペア:

[(1, 20642964), (2, 10321482), (3, 6880988), (4, 5160741), (6, 3440494), (12, 1720247), (17, 1214292), (34, 607146), (47, 439212), (51, 404764), (68, 303573), (94, 219606), (102, 202382), (141, 146404), (188, 109803), (204, 101191), (282, 73202), (564, 36601), (799, 25836), (1598, 12918), (2153, 9588), (2397, 8612), (3196, 6459), (4306, 4794)]