20919360

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:321

約数の個数: 224

約数和(自身を含む): 83100672

約数和(自身を除く): 62181312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 283, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 566, 616, 660, 672, 704, 770, 840, 849, 880, 924, 960, 1056, 1120, 1132, 1155, 1232, 1320, 1344, 1415, 1540, 1680, 1698, 1760, 1848, 1981, 2112, 2240, 2264, 2310, 2464, 2640, 2830, 3080, 3113, 3360, 3396, 3520, 3696, 3962, 4245, 4528, 4620, 4928, 5280, 5660, 5943, 6160, 6226, 6720, 6792, 7392, 7924, 8490, 9056, 9240, 9339, 9905, 10560, 11320, 11886, 12320, 12452, 13584, 14784, 15565, 15848, 16980, 18112, 18480, 18678, 19810, 21791, 22640, 23772, 24640, 24904, 27168, 29715, 31130, 31696, 33960, 36960, 37356, 39620, 43582, 45280, 46695, 47544, 49808, 54336, 59430, 62260, 63392, 65373, 67920, 73920, 74712, 79240, 87164, 90560, 93390, 95088, 99616, 108955, 118860, 124520, 126784, 130746, 135840, 149424, 158480, 174328, 186780, 190176, 199232, 217910, 237720, 249040, 261492, 271680, 298848, 316960, 326865, 348656, 373560, 380352, 435820, 475440, 498080, 522984, 597696, 633920, 653730, 697312, 747120, 871640, 950880, 996160, 1045968, 1307460, 1394624, 1494240, 1743280, 1901760, 2091936, 2614920, 2988480, 3486560, 4183872, 5229840, 6973120, 10459680, 20919360]

約数ペア:

[(1, 20919360), (2, 10459680), (3, 6973120), (4, 5229840), (5, 4183872), (6, 3486560), (7, 2988480), (8, 2614920), (10, 2091936), (11, 1901760), (12, 1743280), (14, 1494240), (15, 1394624), (16, 1307460), (20, 1045968), (21, 996160), (22, 950880), (24, 871640), (28, 747120), (30, 697312), (32, 653730), (33, 633920), (35, 597696), (40, 522984), (42, 498080), (44, 475440), (48, 435820), (55, 380352), (56, 373560), (60, 348656), (64, 326865), (66, 316960), (70, 298848), (77, 271680), (80, 261492), (84, 249040), (88, 237720), (96, 217910), (105, 199232), (110, 190176), (112, 186780), (120, 174328), (132, 158480), (140, 149424), (154, 135840), (160, 130746), (165, 126784), (168, 124520), (176, 118860), (192, 108955), (210, 99616), (220, 95088), (224, 93390), (231, 90560), (240, 87164), (264, 79240), (280, 74712), (283, 73920), (308, 67920), (320, 65373), (330, 63392), (336, 62260), (352, 59430), (385, 54336), (420, 49808), (440, 47544), (448, 46695), (462, 45280), (480, 43582), (528, 39620), (560, 37356), (566, 36960), (616, 33960), (660, 31696), (672, 31130), (704, 29715), (770, 27168), (840, 24904), (849, 24640), (880, 23772), (924, 22640), (960, 21791), (1056, 19810), (1120, 18678), (1132, 18480), (1155, 18112), (1232, 16980), (1320, 15848), (1344, 15565), (1415, 14784), (1540, 13584), (1680, 12452), (1698, 12320), (1760, 11886), (1848, 11320), (1981, 10560), (2112, 9905), (2240, 9339), (2264, 9240), (2310, 9056), (2464, 8490), (2640, 7924), (2830, 7392), (3080, 6792), (3113, 6720), (3360, 6226), (3396, 6160), (3520, 5943), (3696, 5660), (3962, 5280), (4245, 4928), (4528, 4620)]