20339280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 76776336

約数和(自身を除く): 56437056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 48, 52, 53, 60, 65, 72, 78, 80, 82, 90, 104, 106, 117, 120, 123, 130, 144, 156, 159, 164, 180, 195, 205, 208, 212, 234, 240, 246, 260, 265, 312, 318, 328, 360, 369, 390, 410, 424, 468, 477, 492, 520, 530, 533, 585, 615, 624, 636, 656, 689, 720, 738, 780, 795, 820, 848, 936, 954, 984, 1040, 1060, 1066, 1170, 1230, 1272, 1378, 1476, 1560, 1590, 1599, 1640, 1845, 1872, 1908, 1968, 2067, 2120, 2132, 2173, 2340, 2385, 2460, 2544, 2665, 2756, 2952, 3120, 3180, 3198, 3280, 3445, 3690, 3816, 4134, 4240, 4264, 4346, 4680, 4770, 4797, 4920, 5330, 5512, 5904, 6201, 6360, 6396, 6519, 6890, 7380, 7632, 7995, 8268, 8528, 8692, 9360, 9540, 9594, 9840, 10335, 10660, 10865, 11024, 12402, 12720, 12792, 13038, 13780, 14760, 15990, 16536, 17384, 19080, 19188, 19557, 20670, 21320, 21730, 23985, 24804, 25584, 26076, 27560, 28249, 29520, 31005, 31980, 32595, 33072, 34768, 38160, 38376, 39114, 41340, 42640, 43460, 47970, 49608, 52152, 55120, 56498, 62010, 63960, 65190, 76752, 78228, 82680, 84747, 86920, 95940, 97785, 99216, 104304, 112996, 124020, 127920, 130380, 141245, 156456, 165360, 169494, 173840, 191880, 195570, 225992, 248040, 254241, 260760, 282490, 312912, 338988, 383760, 391140, 423735, 451984, 496080, 508482, 521520, 564980, 677976, 782280, 847470, 1016964, 1129960, 1271205, 1355952, 1564560, 1694940, 2033928, 2259920, 2542410, 3389880, 4067856, 5084820, 6779760, 10169640, 20339280]

約数ペア:

[(1, 20339280), (2, 10169640), (3, 6779760), (4, 5084820), (5, 4067856), (6, 3389880), (8, 2542410), (9, 2259920), (10, 2033928), (12, 1694940), (13, 1564560), (15, 1355952), (16, 1271205), (18, 1129960), (20, 1016964), (24, 847470), (26, 782280), (30, 677976), (36, 564980), (39, 521520), (40, 508482), (41, 496080), (45, 451984), (48, 423735), (52, 391140), (53, 383760), (60, 338988), (65, 312912), (72, 282490), (78, 260760), (80, 254241), (82, 248040), (90, 225992), (104, 195570), (106, 191880), (117, 173840), (120, 169494), (123, 165360), (130, 156456), (144, 141245), (156, 130380), (159, 127920), (164, 124020), (180, 112996), (195, 104304), (205, 99216), (208, 97785), (212, 95940), (234, 86920), (240, 84747), (246, 82680), (260, 78228), (265, 76752), (312, 65190), (318, 63960), (328, 62010), (360, 56498), (369, 55120), (390, 52152), (410, 49608), (424, 47970), (468, 43460), (477, 42640), (492, 41340), (520, 39114), (530, 38376), (533, 38160), (585, 34768), (615, 33072), (624, 32595), (636, 31980), (656, 31005), (689, 29520), (720, 28249), (738, 27560), (780, 26076), (795, 25584), (820, 24804), (848, 23985), (936, 21730), (954, 21320), (984, 20670), (1040, 19557), (1060, 19188), (1066, 19080), (1170, 17384), (1230, 16536), (1272, 15990), (1378, 14760), (1476, 13780), (1560, 13038), (1590, 12792), (1599, 12720), (1640, 12402), (1845, 11024), (1872, 10865), (1908, 10660), (1968, 10335), (2067, 9840), (2120, 9594), (2132, 9540), (2173, 9360), (2340, 8692), (2385, 8528), (2460, 8268), (2544, 7995), (2665, 7632), (2756, 7380), (2952, 6890), (3120, 6519), (3180, 6396), (3198, 6360), (3280, 6201), (3445, 5904), (3690, 5512), (3816, 5330), (4134, 4920), (4240, 4797), (4264, 4770), (4346, 4680)]