20884896

素因数分解:

$2^5\times 3^2\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:714

約数の個数: 72

約数和(自身を含む): 59963904

約数和(自身を除く): 39079008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 127, 144, 254, 288, 381, 508, 571, 762, 1016, 1142, 1143, 1524, 1713, 2032, 2284, 2286, 3048, 3426, 4064, 4568, 4572, 5139, 6096, 6852, 9136, 9144, 10278, 12192, 13704, 18272, 18288, 20556, 27408, 36576, 41112, 54816, 72517, 82224, 145034, 164448, 217551, 290068, 435102, 580136, 652653, 870204, 1160272, 1305306, 1740408, 2320544, 2610612, 3480816, 5221224, 6961632, 10442448, 20884896]

約数ペア:

[(1, 20884896), (2, 10442448), (3, 6961632), (4, 5221224), (6, 3480816), (8, 2610612), (9, 2320544), (12, 1740408), (16, 1305306), (18, 1160272), (24, 870204), (32, 652653), (36, 580136), (48, 435102), (72, 290068), (96, 217551), (127, 164448), (144, 145034), (254, 82224), (288, 72517), (381, 54816), (508, 41112), (571, 36576), (762, 27408), (1016, 20556), (1142, 18288), (1143, 18272), (1524, 13704), (1713, 12192), (2032, 10278), (2284, 9144), (2286, 9136), (3048, 6852), (3426, 6096), (4064, 5139), (4568, 4572)]