20453400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1033}}^1$

素因数の和:1066

約数の個数: 144

約数和(自身を含む): 75006360

約数和(自身を除く): 54552960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1033, 1100, 1320, 1650, 1800, 1980, 2066, 2200, 2475, 3099, 3300, 3960, 4132, 4950, 5165, 6198, 6600, 8264, 9297, 9900, 10330, 11363, 12396, 15495, 18594, 19800, 20660, 22726, 24792, 25825, 30990, 34089, 37188, 41320, 45452, 46485, 51650, 56815, 61980, 68178, 74376, 77475, 90904, 92970, 102267, 103300, 113630, 123960, 136356, 154950, 170445, 185940, 204534, 206600, 227260, 232425, 272712, 284075, 309900, 340890, 371880, 409068, 454520, 464850, 511335, 568150, 619800, 681780, 818136, 852225, 929700, 1022670, 1136300, 1363560, 1704450, 1859400, 2045340, 2272600, 2556675, 3408900, 4090680, 5113350, 6817800, 10226700, 20453400]

約数ペア:

[(1, 20453400), (2, 10226700), (3, 6817800), (4, 5113350), (5, 4090680), (6, 3408900), (8, 2556675), (9, 2272600), (10, 2045340), (11, 1859400), (12, 1704450), (15, 1363560), (18, 1136300), (20, 1022670), (22, 929700), (24, 852225), (25, 818136), (30, 681780), (33, 619800), (36, 568150), (40, 511335), (44, 464850), (45, 454520), (50, 409068), (55, 371880), (60, 340890), (66, 309900), (72, 284075), (75, 272712), (88, 232425), (90, 227260), (99, 206600), (100, 204534), (110, 185940), (120, 170445), (132, 154950), (150, 136356), (165, 123960), (180, 113630), (198, 103300), (200, 102267), (220, 92970), (225, 90904), (264, 77475), (275, 74376), (300, 68178), (330, 61980), (360, 56815), (396, 51650), (440, 46485), (450, 45452), (495, 41320), (550, 37188), (600, 34089), (660, 30990), (792, 25825), (825, 24792), (900, 22726), (990, 20660), (1033, 19800), (1100, 18594), (1320, 15495), (1650, 12396), (1800, 11363), (1980, 10330), (2066, 9900), (2200, 9297), (2475, 8264), (3099, 6600), (3300, 6198), (3960, 5165), (4132, 4950)]