20121089148

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{2333}}^1$

素因数の和:2838

約数の個数: 144

約数和(自身を含む): 55664219520

約数和(自身を除く): 35543130372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 467, 486, 513, 684, 934, 972, 1026, 1401, 1539, 1868, 2052, 2333, 2802, 3078, 4203, 4617, 4666, 5604, 6156, 6999, 8406, 8873, 9234, 9332, 12609, 13998, 16812, 17746, 18468, 20997, 25218, 26619, 27996, 35492, 37827, 41994, 44327, 50436, 53238, 62991, 75654, 79857, 83988, 88654, 106476, 113481, 125982, 132981, 151308, 159714, 177308, 188973, 226962, 239571, 251964, 265962, 319428, 377946, 398943, 453924, 479142, 531924, 566919, 718713, 755892, 797886, 958284, 1089511, 1133838, 1196829, 1437426, 1595772, 2156139, 2179022, 2267676, 2393658, 2874852, 3268533, 3590487, 4312278, 4358044, 4787316, 6537066, 7180974, 8624556, 9805599, 10771461, 13074132, 14361948, 19611198, 20700709, 21542922, 29416797, 39222396, 41401418, 43085844, 58833594, 62102127, 82802836, 88250391, 117667188, 124204254, 176500782, 186306381, 248408508, 264751173, 353001564, 372612762, 529502346, 558919143, 745225524, 1059004692, 1117838286, 1676757429, 2235676572, 3353514858, 5030272287, 6707029716, 10060544574, 20121089148]

約数ペア:

[(1, 20121089148), (2, 10060544574), (3, 6707029716), (4, 5030272287), (6, 3353514858), (9, 2235676572), (12, 1676757429), (18, 1117838286), (19, 1059004692), (27, 745225524), (36, 558919143), (38, 529502346), (54, 372612762), (57, 353001564), (76, 264751173), (81, 248408508), (108, 186306381), (114, 176500782), (162, 124204254), (171, 117667188), (228, 88250391), (243, 82802836), (324, 62102127), (342, 58833594), (467, 43085844), (486, 41401418), (513, 39222396), (684, 29416797), (934, 21542922), (972, 20700709), (1026, 19611198), (1401, 14361948), (1539, 13074132), (1868, 10771461), (2052, 9805599), (2333, 8624556), (2802, 7180974), (3078, 6537066), (4203, 4787316), (4617, 4358044), (4666, 4312278), (5604, 3590487), (6156, 3268533), (6999, 2874852), (8406, 2393658), (8873, 2267676), (9234, 2179022), (9332, 2156139), (12609, 1595772), (13998, 1437426), (16812, 1196829), (17746, 1133838), (18468, 1089511), (20997, 958284), (25218, 797886), (26619, 755892), (27996, 718713), (35492, 566919), (37827, 531924), (41994, 479142), (44327, 453924), (50436, 398943), (53238, 377946), (62991, 319428), (75654, 265962), (79857, 251964), (83988, 239571), (88654, 226962), (106476, 188973), (113481, 177308), (125982, 159714), (132981, 151308)]