20106104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23439496

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 251, 323, 502, 527, 589, 646, 1004, 1054, 1178, 1292, 2008, 2108, 2356, 2584, 4216, 4267, 4712, 4769, 7781, 8534, 9538, 10013, 15562, 17068, 19076, 20026, 31124, 34136, 38152, 40052, 62248, 80104, 81073, 132277, 147839, 162146, 264554, 295678, 324292, 529108, 591356, 648584, 1058216, 1182712, 2513263, 5026526, 10053052, 20106104]

約数ペア:

[(1, 20106104), (2, 10053052), (4, 5026526), (8, 2513263), (17, 1182712), (19, 1058216), (31, 648584), (34, 591356), (38, 529108), (62, 324292), (68, 295678), (76, 264554), (124, 162146), (136, 147839), (152, 132277), (248, 81073), (251, 80104), (323, 62248), (502, 40052), (527, 38152), (589, 34136), (646, 31124), (1004, 20026), (1054, 19076), (1178, 17068), (1292, 15562), (2008, 10013), (2108, 9538), (2356, 8534), (2584, 7781), (4216, 4769), (4267, 4712)]