20105883088

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{105607}}^1$

素因数の和:105851

約数の個数: 40

約数和(自身を含む): 39731419328

約数和(自身を除く): 19625536240

約数列:

[1, 2, 4, 8, 16, 73, 146, 163, 292, 326, 584, 652, 1168, 1304, 2608, 11899, 23798, 47596, 95192, 105607, 190384, 211214, 422428, 844856, 1689712, 7709311, 15418622, 17213941, 30837244, 34427882, 61674488, 68855764, 123348976, 137711528, 275423056, 1256617693, 2513235386, 5026470772, 10052941544, 20105883088]

約数ペア:

[(1, 20105883088), (2, 10052941544), (4, 5026470772), (8, 2513235386), (16, 1256617693), (73, 275423056), (146, 137711528), (163, 123348976), (292, 68855764), (326, 61674488), (584, 34427882), (652, 30837244), (1168, 17213941), (1304, 15418622), (2608, 7709311), (11899, 1689712), (23798, 844856), (47596, 422428), (95192, 211214), (105607, 190384)]