20834248

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 20745752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 307, 499, 614, 998, 1228, 1996, 2456, 3992, 5219, 8483, 10438, 16966, 20876, 33932, 41752, 67864, 153193, 306386, 612772, 1225544, 2604281, 5208562, 10417124, 20834248]

約数ペア:

[(1, 20834248), (2, 10417124), (4, 5208562), (8, 2604281), (17, 1225544), (34, 612772), (68, 306386), (136, 153193), (307, 67864), (499, 41752), (614, 33932), (998, 20876), (1228, 16966), (1996, 10438), (2456, 8483), (3992, 5219)]