20825343

素因数分解:

$3^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:96

約数の個数: 84

約数和(自身を含む): 40371048

約数和(自身を除く): 19545705

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 53, 63, 77, 81, 99, 147, 159, 189, 231, 243, 297, 371, 441, 477, 539, 567, 583, 693, 729, 891, 1113, 1323, 1431, 1617, 1701, 1749, 2079, 2597, 2673, 3339, 3969, 4081, 4293, 4851, 5103, 5247, 6237, 7791, 8019, 10017, 11907, 12243, 12879, 14553, 15741, 18711, 23373, 28567, 30051, 35721, 36729, 38637, 43659, 47223, 56133, 70119, 85701, 90153, 110187, 130977, 141669, 210357, 257103, 270459, 330561, 392931, 425007, 631071, 771309, 991683, 1893213, 2313927, 2975049, 6941781, 20825343]

約数ペア:

[(1, 20825343), (3, 6941781), (7, 2975049), (9, 2313927), (11, 1893213), (21, 991683), (27, 771309), (33, 631071), (49, 425007), (53, 392931), (63, 330561), (77, 270459), (81, 257103), (99, 210357), (147, 141669), (159, 130977), (189, 110187), (231, 90153), (243, 85701), (297, 70119), (371, 56133), (441, 47223), (477, 43659), (539, 38637), (567, 36729), (583, 35721), (693, 30051), (729, 28567), (891, 23373), (1113, 18711), (1323, 15741), (1431, 14553), (1617, 12879), (1701, 12243), (1749, 11907), (2079, 10017), (2597, 8019), (2673, 7791), (3339, 6237), (3969, 5247), (4081, 5103), (4293, 4851)]