20806595816

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{352463}}^1$

素因数の和:352673

約数の個数: 32

約数和(自身を含む): 40096304640

約数和(自身を除く): 19289708824

約数列:

[1, 2, 4, 8, 47, 94, 157, 188, 314, 376, 628, 1256, 7379, 14758, 29516, 59032, 352463, 704926, 1409852, 2819704, 16565761, 33131522, 55336691, 66263044, 110673382, 132526088, 221346764, 442693528, 2600824477, 5201648954, 10403297908, 20806595816]

約数ペア:

[(1, 20806595816), (2, 10403297908), (4, 5201648954), (8, 2600824477), (47, 442693528), (94, 221346764), (157, 132526088), (188, 110673382), (314, 66263044), (376, 55336691), (628, 33131522), (1256, 16565761), (7379, 2819704), (14758, 1409852), (29516, 704926), (59032, 352463)]