20823411960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{494383}}^1$

素因数の和:494419

約数の個数: 160

約数和(自身を含む): 75373784640

約数和(自身を除く): 54550372680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2340, 2808, 3240, 3510, 4212, 4680, 5265, 7020, 8424, 10530, 14040, 21060, 42120, 494383, 988766, 1483149, 1977532, 2471915, 2966298, 3955064, 4449447, 4943830, 5932596, 6426979, 7415745, 8898894, 9887660, 11865192, 12853958, 13348341, 14831490, 17797788, 19280937, 19775320, 22247235, 25707916, 26696682, 29662980, 32134895, 35595576, 38561874, 40045023, 44494470, 51415832, 53393364, 57842811, 59325960, 64269790, 66741705, 77123748, 80090046, 88988940, 96404685, 106786728, 115685622, 128539580, 133483410, 154247496, 160180092, 173528433, 177977880, 192809370, 200225115, 231371244, 257079160, 266966820, 289214055, 320360184, 347056866, 385618740, 400450230, 462742488, 520585299, 533933640, 578428110, 694113732, 771237480, 800900460, 867642165, 1041170598, 1156856220, 1388227464, 1601800920, 1735284330, 2082341196, 2313712440, 2602926495, 3470568660, 4164682392, 5205852990, 6941137320, 10411705980, 20823411960]

約数ペア:

[(1, 20823411960), (2, 10411705980), (3, 6941137320), (4, 5205852990), (5, 4164682392), (6, 3470568660), (8, 2602926495), (9, 2313712440), (10, 2082341196), (12, 1735284330), (13, 1601800920), (15, 1388227464), (18, 1156856220), (20, 1041170598), (24, 867642165), (26, 800900460), (27, 771237480), (30, 694113732), (36, 578428110), (39, 533933640), (40, 520585299), (45, 462742488), (52, 400450230), (54, 385618740), (60, 347056866), (65, 320360184), (72, 289214055), (78, 266966820), (81, 257079160), (90, 231371244), (104, 200225115), (108, 192809370), (117, 177977880), (120, 173528433), (130, 160180092), (135, 154247496), (156, 133483410), (162, 128539580), (180, 115685622), (195, 106786728), (216, 96404685), (234, 88988940), (260, 80090046), (270, 77123748), (312, 66741705), (324, 64269790), (351, 59325960), (360, 57842811), (390, 53393364), (405, 51415832), (468, 44494470), (520, 40045023), (540, 38561874), (585, 35595576), (648, 32134895), (702, 29662980), (780, 26696682), (810, 25707916), (936, 22247235), (1053, 19775320), (1080, 19280937), (1170, 17797788), (1404, 14831490), (1560, 13348341), (1620, 12853958), (1755, 11865192), (2106, 9887660), (2340, 8898894), (2808, 7415745), (3240, 6426979), (3510, 5932596), (4212, 4943830), (4680, 4449447), (5265, 3955064), (7020, 2966298), (8424, 2471915), (10530, 1977532), (14040, 1483149), (21060, 988766), (42120, 494383)]