20635560

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 76265280

約数和(自身を除く): 55629720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 193, 198, 216, 220, 243, 264, 270, 297, 324, 330, 360, 386, 396, 405, 440, 486, 495, 540, 579, 594, 648, 660, 772, 792, 810, 891, 965, 972, 990, 1080, 1158, 1188, 1215, 1320, 1485, 1544, 1620, 1737, 1782, 1930, 1944, 1980, 2123, 2316, 2376, 2430, 2673, 2895, 2970, 3240, 3474, 3564, 3860, 3960, 4246, 4455, 4632, 4860, 5211, 5346, 5790, 5940, 6369, 6948, 7128, 7720, 8492, 8685, 8910, 9720, 10422, 10615, 10692, 11580, 11880, 12738, 13365, 13896, 15633, 16984, 17370, 17820, 19107, 20844, 21230, 21384, 23160, 25476, 26055, 26730, 31266, 31845, 34740, 35640, 38214, 41688, 42460, 46899, 50952, 52110, 53460, 57321, 62532, 63690, 69480, 76428, 78165, 84920, 93798, 95535, 104220, 106920, 114642, 125064, 127380, 152856, 156330, 171963, 187596, 191070, 208440, 229284, 234495, 254760, 286605, 312660, 343926, 375192, 382140, 458568, 468990, 515889, 573210, 625320, 687852, 764280, 859815, 937980, 1031778, 1146420, 1375704, 1719630, 1875960, 2063556, 2292840, 2579445, 3439260, 4127112, 5158890, 6878520, 10317780, 20635560]

約数ペア:

[(1, 20635560), (2, 10317780), (3, 6878520), (4, 5158890), (5, 4127112), (6, 3439260), (8, 2579445), (9, 2292840), (10, 2063556), (11, 1875960), (12, 1719630), (15, 1375704), (18, 1146420), (20, 1031778), (22, 937980), (24, 859815), (27, 764280), (30, 687852), (33, 625320), (36, 573210), (40, 515889), (44, 468990), (45, 458568), (54, 382140), (55, 375192), (60, 343926), (66, 312660), (72, 286605), (81, 254760), (88, 234495), (90, 229284), (99, 208440), (108, 191070), (110, 187596), (120, 171963), (132, 156330), (135, 152856), (162, 127380), (165, 125064), (180, 114642), (193, 106920), (198, 104220), (216, 95535), (220, 93798), (243, 84920), (264, 78165), (270, 76428), (297, 69480), (324, 63690), (330, 62532), (360, 57321), (386, 53460), (396, 52110), (405, 50952), (440, 46899), (486, 42460), (495, 41688), (540, 38214), (579, 35640), (594, 34740), (648, 31845), (660, 31266), (772, 26730), (792, 26055), (810, 25476), (891, 23160), (965, 21384), (972, 21230), (990, 20844), (1080, 19107), (1158, 17820), (1188, 17370), (1215, 16984), (1320, 15633), (1485, 13896), (1544, 13365), (1620, 12738), (1737, 11880), (1782, 11580), (1930, 10692), (1944, 10615), (1980, 10422), (2123, 9720), (2316, 8910), (2376, 8685), (2430, 8492), (2673, 7720), (2895, 7128), (2970, 6948), (3240, 6369), (3474, 5940), (3564, 5790), (3860, 5346), (3960, 5211), (4246, 4860), (4455, 4632)]