20659320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 256

約数和(自身を含む): 78796800

約数和(自身を除く): 58137480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 37, 40, 44, 45, 47, 54, 55, 60, 66, 72, 74, 88, 90, 94, 99, 108, 110, 111, 120, 132, 135, 141, 148, 165, 180, 185, 188, 198, 216, 220, 222, 235, 264, 270, 282, 296, 297, 330, 333, 360, 370, 376, 396, 407, 423, 440, 444, 470, 495, 517, 540, 555, 564, 594, 660, 666, 705, 740, 792, 814, 846, 888, 940, 990, 999, 1034, 1080, 1110, 1128, 1188, 1221, 1269, 1320, 1332, 1410, 1480, 1485, 1551, 1628, 1665, 1692, 1739, 1880, 1980, 1998, 2035, 2068, 2115, 2220, 2376, 2442, 2538, 2585, 2664, 2820, 2970, 3102, 3256, 3330, 3384, 3478, 3663, 3960, 3996, 4070, 4136, 4230, 4440, 4653, 4884, 4995, 5076, 5170, 5217, 5640, 5940, 6105, 6204, 6345, 6660, 6956, 7326, 7755, 7992, 8140, 8460, 8695, 9306, 9768, 9990, 10152, 10340, 10434, 10989, 11880, 12210, 12408, 12690, 13320, 13912, 13959, 14652, 15510, 15651, 16280, 16920, 17390, 18315, 18612, 19129, 19980, 20680, 20868, 21978, 23265, 24420, 25380, 26085, 27918, 29304, 31020, 31302, 34780, 36630, 37224, 38258, 39960, 41736, 43956, 46530, 46953, 48840, 50760, 52170, 54945, 55836, 57387, 62040, 62604, 69560, 69795, 73260, 76516, 78255, 87912, 93060, 93906, 95645, 104340, 109890, 111672, 114774, 125208, 139590, 146520, 153032, 156510, 172161, 186120, 187812, 191290, 208680, 219780, 229548, 234765, 279180, 286935, 313020, 344322, 375624, 382580, 439560, 459096, 469530, 516483, 558360, 573870, 626040, 688644, 765160, 860805, 939060, 1032966, 1147740, 1377288, 1721610, 1878120, 2065932, 2295480, 2582415, 3443220, 4131864, 5164830, 6886440, 10329660, 20659320]

約数ペア:

[(1, 20659320), (2, 10329660), (3, 6886440), (4, 5164830), (5, 4131864), (6, 3443220), (8, 2582415), (9, 2295480), (10, 2065932), (11, 1878120), (12, 1721610), (15, 1377288), (18, 1147740), (20, 1032966), (22, 939060), (24, 860805), (27, 765160), (30, 688644), (33, 626040), (36, 573870), (37, 558360), (40, 516483), (44, 469530), (45, 459096), (47, 439560), (54, 382580), (55, 375624), (60, 344322), (66, 313020), (72, 286935), (74, 279180), (88, 234765), (90, 229548), (94, 219780), (99, 208680), (108, 191290), (110, 187812), (111, 186120), (120, 172161), (132, 156510), (135, 153032), (141, 146520), (148, 139590), (165, 125208), (180, 114774), (185, 111672), (188, 109890), (198, 104340), (216, 95645), (220, 93906), (222, 93060), (235, 87912), (264, 78255), (270, 76516), (282, 73260), (296, 69795), (297, 69560), (330, 62604), (333, 62040), (360, 57387), (370, 55836), (376, 54945), (396, 52170), (407, 50760), (423, 48840), (440, 46953), (444, 46530), (470, 43956), (495, 41736), (517, 39960), (540, 38258), (555, 37224), (564, 36630), (594, 34780), (660, 31302), (666, 31020), (705, 29304), (740, 27918), (792, 26085), (814, 25380), (846, 24420), (888, 23265), (940, 21978), (990, 20868), (999, 20680), (1034, 19980), (1080, 19129), (1110, 18612), (1128, 18315), (1188, 17390), (1221, 16920), (1269, 16280), (1320, 15651), (1332, 15510), (1410, 14652), (1480, 13959), (1485, 13912), (1551, 13320), (1628, 12690), (1665, 12408), (1692, 12210), (1739, 11880), (1880, 10989), (1980, 10434), (1998, 10340), (2035, 10152), (2068, 9990), (2115, 9768), (2220, 9306), (2376, 8695), (2442, 8460), (2538, 8140), (2585, 7992), (2664, 7755), (2820, 7326), (2970, 6956), (3102, 6660), (3256, 6345), (3330, 6204), (3384, 6105), (3478, 5940), (3663, 5640), (3960, 5217), (3996, 5170), (4070, 5076), (4136, 4995), (4230, 4884), (4440, 4653)]