20795040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2063}}^1$

素因数の和:2091

約数の個数: 144

約数和(自身を含む): 81139968

約数和(自身を除く): 60344928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2063, 2520, 3360, 4126, 5040, 6189, 8252, 10080, 10315, 12378, 14441, 16504, 18567, 20630, 24756, 28882, 30945, 33008, 37134, 41260, 43323, 49512, 57764, 61890, 66016, 72205, 74268, 82520, 86646, 92835, 99024, 115528, 123780, 129969, 144410, 148536, 165040, 173292, 185670, 198048, 216615, 231056, 247560, 259938, 288820, 297072, 330080, 346584, 371340, 433230, 462112, 495120, 519876, 577640, 594144, 649845, 693168, 742680, 866460, 990240, 1039752, 1155280, 1299690, 1386336, 1485360, 1732920, 2079504, 2310560, 2599380, 2970720, 3465840, 4159008, 5198760, 6931680, 10397520, 20795040]

約数ペア:

[(1, 20795040), (2, 10397520), (3, 6931680), (4, 5198760), (5, 4159008), (6, 3465840), (7, 2970720), (8, 2599380), (9, 2310560), (10, 2079504), (12, 1732920), (14, 1485360), (15, 1386336), (16, 1299690), (18, 1155280), (20, 1039752), (21, 990240), (24, 866460), (28, 742680), (30, 693168), (32, 649845), (35, 594144), (36, 577640), (40, 519876), (42, 495120), (45, 462112), (48, 433230), (56, 371340), (60, 346584), (63, 330080), (70, 297072), (72, 288820), (80, 259938), (84, 247560), (90, 231056), (96, 216615), (105, 198048), (112, 185670), (120, 173292), (126, 165040), (140, 148536), (144, 144410), (160, 129969), (168, 123780), (180, 115528), (210, 99024), (224, 92835), (240, 86646), (252, 82520), (280, 74268), (288, 72205), (315, 66016), (336, 61890), (360, 57764), (420, 49512), (480, 43323), (504, 41260), (560, 37134), (630, 33008), (672, 30945), (720, 28882), (840, 24756), (1008, 20630), (1120, 18567), (1260, 16504), (1440, 14441), (1680, 12378), (2016, 10315), (2063, 10080), (2520, 8252), (3360, 6189), (4126, 5040)]