20121970880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{11057}}^1$

素因数の和:11143

約数の個数: 168

約数和(自身を含む): 53792835264

約数和(自身を除く): 33670864384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 121, 160, 176, 188, 220, 235, 242, 320, 352, 376, 440, 470, 484, 517, 605, 704, 752, 880, 940, 968, 1034, 1210, 1504, 1760, 1880, 1936, 2068, 2420, 2585, 3008, 3520, 3760, 3872, 4136, 4840, 5170, 5687, 7520, 7744, 8272, 9680, 10340, 11057, 11374, 15040, 16544, 19360, 20680, 22114, 22748, 28435, 33088, 38720, 41360, 44228, 45496, 55285, 56870, 82720, 88456, 90992, 110570, 113740, 121627, 165440, 176912, 181984, 221140, 227480, 243254, 353824, 363968, 442280, 454960, 486508, 519679, 608135, 707648, 884560, 909920, 973016, 1039358, 1216270, 1337897, 1769120, 1819840, 1946032, 2078716, 2432540, 2598395, 2675794, 3538240, 3892064, 4157432, 4865080, 5196790, 5351588, 5716469, 6689485, 7784128, 8314864, 9730160, 10393580, 10703176, 11432938, 13378970, 16629728, 19460320, 20787160, 21406352, 22865876, 26757940, 28582345, 33259456, 38920640, 41574320, 42812704, 45731752, 53515880, 57164690, 62881159, 83148640, 85625408, 91463504, 107031760, 114329380, 125762318, 166297280, 182927008, 214063520, 228658760, 251524636, 314405795, 365854016, 428127040, 457317520, 503049272, 628811590, 914635040, 1006098544, 1257623180, 1829270080, 2012197088, 2515246360, 4024394176, 5030492720, 10060985440, 20121970880]

約数ペア:

[(1, 20121970880), (2, 10060985440), (4, 5030492720), (5, 4024394176), (8, 2515246360), (10, 2012197088), (11, 1829270080), (16, 1257623180), (20, 1006098544), (22, 914635040), (32, 628811590), (40, 503049272), (44, 457317520), (47, 428127040), (55, 365854016), (64, 314405795), (80, 251524636), (88, 228658760), (94, 214063520), (110, 182927008), (121, 166297280), (160, 125762318), (176, 114329380), (188, 107031760), (220, 91463504), (235, 85625408), (242, 83148640), (320, 62881159), (352, 57164690), (376, 53515880), (440, 45731752), (470, 42812704), (484, 41574320), (517, 38920640), (605, 33259456), (704, 28582345), (752, 26757940), (880, 22865876), (940, 21406352), (968, 20787160), (1034, 19460320), (1210, 16629728), (1504, 13378970), (1760, 11432938), (1880, 10703176), (1936, 10393580), (2068, 9730160), (2420, 8314864), (2585, 7784128), (3008, 6689485), (3520, 5716469), (3760, 5351588), (3872, 5196790), (4136, 4865080), (4840, 4157432), (5170, 3892064), (5687, 3538240), (7520, 2675794), (7744, 2598395), (8272, 2432540), (9680, 2078716), (10340, 1946032), (11057, 1819840), (11374, 1769120), (15040, 1337897), (16544, 1216270), (19360, 1039358), (20680, 973016), (22114, 909920), (22748, 884560), (28435, 707648), (33088, 608135), (38720, 519679), (41360, 486508), (44228, 454960), (45496, 442280), (55285, 363968), (56870, 353824), (82720, 243254), (88456, 227480), (90992, 221140), (110570, 181984), (113740, 176912), (121627, 165440)]