20079974321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 23114931840

約数和(自身を除く): 3034957519

約数列:

[1, 11, 43, 89, 103, 121, 421, 473, 979, 1133, 3827, 4429, 4631, 5203, 9167, 10769, 12463, 18103, 37469, 42097, 43363, 48719, 50941, 100837, 199133, 394181, 412159, 463067, 476993, 535909, 1109207, 1611167, 1864609, 2190463, 3859307, 4335991, 4533749, 5246923, 17722837, 20510699, 42452377, 47695901, 165950201, 194951207, 225617689, 466976147, 1825452211, 20079974321]

約数ペア:

[(1, 20079974321), (11, 1825452211), (43, 466976147), (89, 225617689), (103, 194951207), (121, 165950201), (421, 47695901), (473, 42452377), (979, 20510699), (1133, 17722837), (3827, 5246923), (4429, 4533749), (4631, 4335991), (5203, 3859307), (9167, 2190463), (10769, 1864609), (12463, 1611167), (18103, 1109207), (37469, 535909), (42097, 476993), (43363, 463067), (48719, 412159), (50941, 394181), (100837, 199133)]