20174780506

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 31981672800

約数和(自身を除く): 11806892294

約数列:

[1, 2, 37, 43, 74, 86, 349, 491, 698, 982, 1369, 1591, 2738, 3182, 12913, 15007, 18167, 21113, 25826, 30014, 36334, 42226, 58867, 117734, 171359, 342718, 477781, 555259, 672179, 781181, 955562, 1110518, 1344358, 1562362, 6340283, 7368437, 12680566, 14736874, 20544583, 28903697, 41089166, 57807394, 234590471, 272632169, 469180942, 545264338, 10087390253, 20174780506]

約数ペア:

[(1, 20174780506), (2, 10087390253), (37, 545264338), (43, 469180942), (74, 272632169), (86, 234590471), (349, 57807394), (491, 41089166), (698, 28903697), (982, 20544583), (1369, 14736874), (1591, 12680566), (2738, 7368437), (3182, 6340283), (12913, 1562362), (15007, 1344358), (18167, 1110518), (21113, 955562), (25826, 781181), (30014, 672179), (36334, 555259), (42226, 477781), (58867, 342718), (117734, 171359)]