20195488560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281431}}^1$

素因数の和:281483

約数の個数: 160

約数和(自身を含む): 70353497088

約数和(自身を除く): 50158008528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1380, 1495, 1560, 1794, 1840, 2392, 2760, 2990, 3120, 3588, 4485, 4784, 5520, 5980, 7176, 8970, 11960, 14352, 17940, 23920, 35880, 71760, 281431, 562862, 844293, 1125724, 1407155, 1688586, 2251448, 2814310, 3377172, 3658603, 4221465, 4502896, 5628620, 6472913, 6754344, 7317206, 8442930, 10975809, 11257240, 12945826, 13508688, 14634412, 16885860, 18293015, 19418739, 21951618, 22514480, 25891652, 29268824, 32364565, 33771720, 36586030, 38837478, 43903236, 51783304, 54879045, 58537648, 64729130, 67543440, 73172060, 77674956, 84147869, 87806472, 97093695, 103566608, 109758090, 129458260, 146344120, 155349912, 168295738, 175612944, 194187390, 219516180, 252443607, 258916520, 292688240, 310699824, 336591476, 388374780, 420739345, 439032360, 504887214, 517833040, 673182952, 776749560, 841478690, 878064720, 1009774428, 1262218035, 1346365904, 1553499120, 1682957380, 2019548856, 2524436070, 3365914760, 4039097712, 5048872140, 6731829520, 10097744280, 20195488560]

約数ペア:

[(1, 20195488560), (2, 10097744280), (3, 6731829520), (4, 5048872140), (5, 4039097712), (6, 3365914760), (8, 2524436070), (10, 2019548856), (12, 1682957380), (13, 1553499120), (15, 1346365904), (16, 1262218035), (20, 1009774428), (23, 878064720), (24, 841478690), (26, 776749560), (30, 673182952), (39, 517833040), (40, 504887214), (46, 439032360), (48, 420739345), (52, 388374780), (60, 336591476), (65, 310699824), (69, 292688240), (78, 258916520), (80, 252443607), (92, 219516180), (104, 194187390), (115, 175612944), (120, 168295738), (130, 155349912), (138, 146344120), (156, 129458260), (184, 109758090), (195, 103566608), (208, 97093695), (230, 87806472), (240, 84147869), (260, 77674956), (276, 73172060), (299, 67543440), (312, 64729130), (345, 58537648), (368, 54879045), (390, 51783304), (460, 43903236), (520, 38837478), (552, 36586030), (598, 33771720), (624, 32364565), (690, 29268824), (780, 25891652), (897, 22514480), (920, 21951618), (1040, 19418739), (1104, 18293015), (1196, 16885860), (1380, 14634412), (1495, 13508688), (1560, 12945826), (1794, 11257240), (1840, 10975809), (2392, 8442930), (2760, 7317206), (2990, 6754344), (3120, 6472913), (3588, 5628620), (4485, 4502896), (4784, 4221465), (5520, 3658603), (5980, 3377172), (7176, 2814310), (8970, 2251448), (11960, 1688586), (14352, 1407155), (17940, 1125724), (23920, 844293), (35880, 562862), (71760, 281431)]