20757002240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{647}}^1$

素因数の和:928

約数の個数: 192

約数和(自身を含む): 53941567680

約数和(自身を除く): 33184565440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 241, 256, 260, 320, 416, 482, 512, 520, 640, 647, 832, 964, 1024, 1040, 1205, 1280, 1294, 1664, 1928, 2048, 2080, 2410, 2560, 2588, 3133, 3235, 3328, 3856, 4160, 4820, 5120, 5176, 6266, 6470, 6656, 7712, 8320, 8411, 9640, 10240, 10352, 12532, 12940, 13312, 15424, 15665, 16640, 16822, 19280, 20704, 25064, 25880, 26624, 30848, 31330, 33280, 33644, 38560, 41408, 42055, 50128, 51760, 61696, 62660, 66560, 67288, 77120, 82816, 84110, 100256, 103520, 123392, 125320, 133120, 134576, 154240, 155927, 165632, 168220, 200512, 207040, 246784, 250640, 269152, 308480, 311854, 331264, 336440, 401024, 414080, 493568, 501280, 538304, 616960, 623708, 662528, 672880, 779635, 802048, 828160, 1002560, 1076608, 1233920, 1247416, 1325056, 1345760, 1559270, 1604096, 1656320, 2005120, 2027051, 2153216, 2467840, 2494832, 2691520, 3118540, 3208192, 3312640, 4010240, 4054102, 4306432, 4989664, 5383040, 6237080, 6416384, 6625280, 8020480, 8108204, 8612864, 9979328, 10135255, 10766080, 12474160, 16040960, 16216408, 17225728, 19958656, 20270510, 21532160, 24948320, 32081920, 32432816, 39917312, 40541020, 43064320, 49896640, 64865632, 79834624, 81082040, 86128640, 99793280, 129731264, 159669248, 162164080, 199586560, 259462528, 319338496, 324328160, 399173120, 518925056, 648656320, 798346240, 1037850112, 1297312640, 1596692480, 2075700224, 2594625280, 4151400448, 5189250560, 10378501120, 20757002240]

約数ペア:

[(1, 20757002240), (2, 10378501120), (4, 5189250560), (5, 4151400448), (8, 2594625280), (10, 2075700224), (13, 1596692480), (16, 1297312640), (20, 1037850112), (26, 798346240), (32, 648656320), (40, 518925056), (52, 399173120), (64, 324328160), (65, 319338496), (80, 259462528), (104, 199586560), (128, 162164080), (130, 159669248), (160, 129731264), (208, 99793280), (241, 86128640), (256, 81082040), (260, 79834624), (320, 64865632), (416, 49896640), (482, 43064320), (512, 40541020), (520, 39917312), (640, 32432816), (647, 32081920), (832, 24948320), (964, 21532160), (1024, 20270510), (1040, 19958656), (1205, 17225728), (1280, 16216408), (1294, 16040960), (1664, 12474160), (1928, 10766080), (2048, 10135255), (2080, 9979328), (2410, 8612864), (2560, 8108204), (2588, 8020480), (3133, 6625280), (3235, 6416384), (3328, 6237080), (3856, 5383040), (4160, 4989664), (4820, 4306432), (5120, 4054102), (5176, 4010240), (6266, 3312640), (6470, 3208192), (6656, 3118540), (7712, 2691520), (8320, 2494832), (8411, 2467840), (9640, 2153216), (10240, 2027051), (10352, 2005120), (12532, 1656320), (12940, 1604096), (13312, 1559270), (15424, 1345760), (15665, 1325056), (16640, 1247416), (16822, 1233920), (19280, 1076608), (20704, 1002560), (25064, 828160), (25880, 802048), (26624, 779635), (30848, 672880), (31330, 662528), (33280, 623708), (33644, 616960), (38560, 538304), (41408, 501280), (42055, 493568), (50128, 414080), (51760, 401024), (61696, 336440), (62660, 331264), (66560, 311854), (67288, 308480), (77120, 269152), (82816, 250640), (84110, 246784), (100256, 207040), (103520, 200512), (123392, 168220), (125320, 165632), (133120, 155927), (134576, 154240)]