20998284

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 51695616

約数和(自身を除く): 30697332

約数列:

[1, 2, 3, 4, 6, 12, 31, 47, 62, 93, 94, 124, 141, 186, 188, 282, 372, 564, 1201, 1457, 2402, 2914, 3603, 4371, 4804, 5828, 7206, 8742, 14412, 17484, 37231, 56447, 74462, 111693, 112894, 148924, 169341, 223386, 225788, 338682, 446772, 677364, 1749857, 3499714, 5249571, 6999428, 10499142, 20998284]

約数ペア:

[(1, 20998284), (2, 10499142), (3, 6999428), (4, 5249571), (6, 3499714), (12, 1749857), (31, 677364), (47, 446772), (62, 338682), (93, 225788), (94, 223386), (124, 169341), (141, 148924), (186, 112894), (188, 111693), (282, 74462), (372, 56447), (564, 37231), (1201, 17484), (1457, 14412), (2402, 8742), (2914, 7206), (3603, 5828), (4371, 4804)]