20466810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 256

約数和(自身を含む): 72576000

約数和(自身を除く): 52109190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 26, 27, 30, 34, 35, 39, 42, 45, 49, 51, 54, 63, 65, 70, 78, 85, 90, 91, 98, 102, 105, 117, 119, 126, 130, 135, 147, 153, 170, 182, 189, 195, 210, 221, 234, 238, 245, 255, 270, 273, 294, 306, 315, 343, 351, 357, 378, 390, 441, 442, 455, 459, 490, 510, 546, 585, 595, 630, 637, 663, 686, 702, 714, 735, 765, 819, 833, 882, 910, 918, 945, 1029, 1071, 1105, 1170, 1190, 1274, 1323, 1326, 1365, 1470, 1530, 1547, 1638, 1666, 1715, 1755, 1785, 1890, 1911, 1989, 2058, 2142, 2205, 2210, 2295, 2457, 2499, 2646, 2730, 3087, 3094, 3185, 3213, 3315, 3430, 3510, 3570, 3822, 3978, 4095, 4165, 4410, 4459, 4590, 4641, 4914, 4998, 5145, 5355, 5733, 5831, 5967, 6174, 6370, 6426, 6615, 6630, 7497, 7735, 8190, 8330, 8918, 9261, 9282, 9555, 9945, 10290, 10710, 10829, 11466, 11662, 11934, 12285, 12495, 13230, 13377, 13923, 14994, 15435, 15470, 16065, 17199, 17493, 18522, 19110, 19890, 21658, 22295, 22491, 23205, 24570, 24990, 26754, 27846, 28665, 29155, 29835, 30870, 32130, 32487, 34398, 34986, 37485, 40131, 41769, 44590, 44982, 46305, 46410, 52479, 54145, 57330, 58310, 59670, 64974, 66885, 69615, 74970, 75803, 80262, 83538, 85995, 87465, 92610, 97461, 104958, 108290, 112455, 120393, 133770, 139230, 151606, 157437, 162435, 171990, 174930, 194922, 200655, 208845, 224910, 227409, 240786, 262395, 292383, 314874, 324870, 379015, 401310, 417690, 454818, 487305, 524790, 584766, 601965, 682227, 758030, 787185, 974610, 1137045, 1203930, 1364454, 1461915, 1574370, 2046681, 2274090, 2923830, 3411135, 4093362, 6822270, 10233405, 20466810]

約数ペア:

[(1, 20466810), (2, 10233405), (3, 6822270), (5, 4093362), (6, 3411135), (7, 2923830), (9, 2274090), (10, 2046681), (13, 1574370), (14, 1461915), (15, 1364454), (17, 1203930), (18, 1137045), (21, 974610), (26, 787185), (27, 758030), (30, 682227), (34, 601965), (35, 584766), (39, 524790), (42, 487305), (45, 454818), (49, 417690), (51, 401310), (54, 379015), (63, 324870), (65, 314874), (70, 292383), (78, 262395), (85, 240786), (90, 227409), (91, 224910), (98, 208845), (102, 200655), (105, 194922), (117, 174930), (119, 171990), (126, 162435), (130, 157437), (135, 151606), (147, 139230), (153, 133770), (170, 120393), (182, 112455), (189, 108290), (195, 104958), (210, 97461), (221, 92610), (234, 87465), (238, 85995), (245, 83538), (255, 80262), (270, 75803), (273, 74970), (294, 69615), (306, 66885), (315, 64974), (343, 59670), (351, 58310), (357, 57330), (378, 54145), (390, 52479), (441, 46410), (442, 46305), (455, 44982), (459, 44590), (490, 41769), (510, 40131), (546, 37485), (585, 34986), (595, 34398), (630, 32487), (637, 32130), (663, 30870), (686, 29835), (702, 29155), (714, 28665), (735, 27846), (765, 26754), (819, 24990), (833, 24570), (882, 23205), (910, 22491), (918, 22295), (945, 21658), (1029, 19890), (1071, 19110), (1105, 18522), (1170, 17493), (1190, 17199), (1274, 16065), (1323, 15470), (1326, 15435), (1365, 14994), (1470, 13923), (1530, 13377), (1547, 13230), (1638, 12495), (1666, 12285), (1715, 11934), (1755, 11662), (1785, 11466), (1890, 10829), (1911, 10710), (1989, 10290), (2058, 9945), (2142, 9555), (2205, 9282), (2210, 9261), (2295, 8918), (2457, 8330), (2499, 8190), (2646, 7735), (2730, 7497), (3087, 6630), (3094, 6615), (3185, 6426), (3213, 6370), (3315, 6174), (3430, 5967), (3510, 5831), (3570, 5733), (3822, 5355), (3978, 5145), (4095, 4998), (4165, 4914), (4410, 4641), (4459, 4590)]