20450430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 71705088

約数和(自身を除く): 51254658

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 33, 35, 39, 42, 45, 55, 63, 65, 66, 70, 77, 78, 90, 91, 99, 105, 110, 117, 126, 130, 143, 154, 165, 182, 195, 198, 210, 227, 231, 234, 273, 286, 315, 330, 385, 390, 429, 454, 455, 462, 495, 546, 585, 630, 681, 693, 715, 770, 819, 858, 910, 990, 1001, 1135, 1155, 1170, 1287, 1362, 1365, 1386, 1430, 1589, 1638, 2002, 2043, 2145, 2270, 2310, 2497, 2574, 2730, 2951, 3003, 3178, 3405, 3465, 4086, 4095, 4290, 4767, 4994, 5005, 5902, 6006, 6435, 6810, 6930, 7491, 7945, 8190, 8853, 9009, 9534, 10010, 10215, 12485, 12870, 14301, 14755, 14982, 15015, 15890, 17479, 17706, 18018, 20430, 20657, 22473, 23835, 24970, 26559, 28602, 29510, 30030, 32461, 34958, 37455, 41314, 44265, 44946, 45045, 47670, 52437, 53118, 61971, 64922, 71505, 74910, 87395, 88530, 90090, 97383, 103285, 104874, 112365, 123942, 132795, 143010, 157311, 162305, 174790, 185913, 194766, 206570, 224730, 227227, 262185, 265590, 292149, 309855, 314622, 324610, 371826, 454454, 486915, 524370, 584298, 619710, 681681, 786555, 929565, 973830, 1136135, 1363362, 1460745, 1573110, 1859130, 2045043, 2272270, 2921490, 3408405, 4090086, 6816810, 10225215, 20450430]

約数ペア:

[(1, 20450430), (2, 10225215), (3, 6816810), (5, 4090086), (6, 3408405), (7, 2921490), (9, 2272270), (10, 2045043), (11, 1859130), (13, 1573110), (14, 1460745), (15, 1363362), (18, 1136135), (21, 973830), (22, 929565), (26, 786555), (30, 681681), (33, 619710), (35, 584298), (39, 524370), (42, 486915), (45, 454454), (55, 371826), (63, 324610), (65, 314622), (66, 309855), (70, 292149), (77, 265590), (78, 262185), (90, 227227), (91, 224730), (99, 206570), (105, 194766), (110, 185913), (117, 174790), (126, 162305), (130, 157311), (143, 143010), (154, 132795), (165, 123942), (182, 112365), (195, 104874), (198, 103285), (210, 97383), (227, 90090), (231, 88530), (234, 87395), (273, 74910), (286, 71505), (315, 64922), (330, 61971), (385, 53118), (390, 52437), (429, 47670), (454, 45045), (455, 44946), (462, 44265), (495, 41314), (546, 37455), (585, 34958), (630, 32461), (681, 30030), (693, 29510), (715, 28602), (770, 26559), (819, 24970), (858, 23835), (910, 22473), (990, 20657), (1001, 20430), (1135, 18018), (1155, 17706), (1170, 17479), (1287, 15890), (1362, 15015), (1365, 14982), (1386, 14755), (1430, 14301), (1589, 12870), (1638, 12485), (2002, 10215), (2043, 10010), (2145, 9534), (2270, 9009), (2310, 8853), (2497, 8190), (2574, 7945), (2730, 7491), (2951, 6930), (3003, 6810), (3178, 6435), (3405, 6006), (3465, 5902), (4086, 5005), (4095, 4994), (4290, 4767)]