20146450940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{25601}}^1$

素因数の和:25708

約数の個数: 144

約数和(自身を含む): 54426574944

約数和(自身を除く): 34280124004

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 73, 77, 98, 110, 140, 146, 154, 196, 220, 245, 292, 308, 365, 385, 490, 511, 539, 730, 770, 803, 980, 1022, 1078, 1460, 1540, 1606, 2044, 2156, 2555, 2695, 3212, 3577, 4015, 5110, 5390, 5621, 7154, 8030, 10220, 10780, 11242, 14308, 16060, 17885, 22484, 25601, 28105, 35770, 39347, 51202, 56210, 71540, 78694, 102404, 112420, 128005, 157388, 179207, 196735, 256010, 281611, 358414, 393470, 512020, 563222, 716828, 786940, 896035, 1126444, 1254449, 1408055, 1792070, 1868873, 1971277, 2508898, 2816110, 3584140, 3737746, 3942554, 5017796, 5632220, 6272245, 7475492, 7885108, 9344365, 9856385, 12544490, 13082111, 13798939, 18688730, 19712770, 20557603, 25088980, 26164222, 27597878, 37377460, 39425540, 41115206, 52328444, 55195756, 65410555, 68994695, 82230412, 91574777, 102788015, 130821110, 137989390, 143903221, 183149554, 205576030, 261642220, 275978780, 287806442, 366299108, 411152060, 457873885, 575612884, 719516105, 915747770, 1007322547, 1439032210, 1831495540, 2014645094, 2878064420, 4029290188, 5036612735, 10073225470, 20146450940]

約数ペア:

[(1, 20146450940), (2, 10073225470), (4, 5036612735), (5, 4029290188), (7, 2878064420), (10, 2014645094), (11, 1831495540), (14, 1439032210), (20, 1007322547), (22, 915747770), (28, 719516105), (35, 575612884), (44, 457873885), (49, 411152060), (55, 366299108), (70, 287806442), (73, 275978780), (77, 261642220), (98, 205576030), (110, 183149554), (140, 143903221), (146, 137989390), (154, 130821110), (196, 102788015), (220, 91574777), (245, 82230412), (292, 68994695), (308, 65410555), (365, 55195756), (385, 52328444), (490, 41115206), (511, 39425540), (539, 37377460), (730, 27597878), (770, 26164222), (803, 25088980), (980, 20557603), (1022, 19712770), (1078, 18688730), (1460, 13798939), (1540, 13082111), (1606, 12544490), (2044, 9856385), (2156, 9344365), (2555, 7885108), (2695, 7475492), (3212, 6272245), (3577, 5632220), (4015, 5017796), (5110, 3942554), (5390, 3737746), (5621, 3584140), (7154, 2816110), (8030, 2508898), (10220, 1971277), (10780, 1868873), (11242, 1792070), (14308, 1408055), (16060, 1254449), (17885, 1126444), (22484, 896035), (25601, 786940), (28105, 716828), (35770, 563222), (39347, 512020), (51202, 393470), (56210, 358414), (71540, 281611), (78694, 256010), (102404, 196735), (112420, 179207), (128005, 157388)]