20789626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 36949248

約数和(自身を除く): 16159622

約数列:

[1, 2, 11, 13, 22, 26, 143, 157, 286, 314, 463, 926, 1727, 2041, 3454, 4082, 5093, 6019, 10186, 12038, 22451, 44902, 66209, 72691, 132418, 145382, 799601, 944983, 1599202, 1889966, 10394813, 20789626]

約数ペア:

[(1, 20789626), (2, 10394813), (11, 1889966), (13, 1599202), (22, 944983), (26, 799601), (143, 145382), (157, 132418), (286, 72691), (314, 66209), (463, 44902), (926, 22451), (1727, 12038), (2041, 10186), (3454, 6019), (4082, 5093)]