20997135016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:432

約数の個数: 192

約数和(自身を含む): 48645878400

約数和(自身を除く): 27648743384

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 71, 88, 104, 124, 142, 143, 248, 269, 284, 286, 341, 403, 538, 568, 572, 682, 781, 806, 923, 961, 1076, 1144, 1364, 1562, 1612, 1846, 1922, 2152, 2201, 2728, 2959, 3124, 3224, 3497, 3692, 3844, 4402, 4433, 5918, 6248, 6994, 7384, 7688, 8339, 8804, 8866, 10153, 10571, 11836, 12493, 13988, 16678, 17608, 17732, 19099, 20306, 21142, 23672, 24211, 24986, 27976, 28613, 33356, 35464, 38198, 38467, 40612, 42284, 48422, 49972, 57226, 66712, 68231, 76396, 76934, 81224, 84568, 91729, 96844, 99944, 108407, 114452, 136462, 137423, 152792, 153868, 183458, 193688, 210089, 216814, 228904, 248287, 258509, 272924, 274846, 307736, 314743, 366916, 420178, 433628, 496574, 517018, 545848, 549692, 592069, 629486, 733832, 750541, 840356, 867256, 887003, 993148, 1034036, 1099384, 1184138, 1192477, 1258972, 1501082, 1680712, 1774006, 1986296, 2068072, 2368276, 2384954, 2517944, 2731157, 2843599, 3002164, 3360617, 3548012, 4736552, 4769908, 5462314, 5687198, 6004328, 6512759, 6721234, 7096024, 7696897, 9539816, 9757033, 10924628, 11374396, 13025518, 13442468, 15393794, 18354139, 19514066, 21849256, 22748792, 26051036, 26884936, 30787588, 36708278, 36966787, 39028132, 52102072, 61575176, 73416556, 73933574, 78056264, 84665867, 146833112, 147867148, 169331734, 201895529, 238603807, 295734296, 338663468, 403791058, 477207614, 677326936, 807582116, 954415228, 1615164232, 1908830456, 2624641877, 5249283754, 10498567508, 20997135016]

約数ペア:

[(1, 20997135016), (2, 10498567508), (4, 5249283754), (8, 2624641877), (11, 1908830456), (13, 1615164232), (22, 954415228), (26, 807582116), (31, 677326936), (44, 477207614), (52, 403791058), (62, 338663468), (71, 295734296), (88, 238603807), (104, 201895529), (124, 169331734), (142, 147867148), (143, 146833112), (248, 84665867), (269, 78056264), (284, 73933574), (286, 73416556), (341, 61575176), (403, 52102072), (538, 39028132), (568, 36966787), (572, 36708278), (682, 30787588), (781, 26884936), (806, 26051036), (923, 22748792), (961, 21849256), (1076, 19514066), (1144, 18354139), (1364, 15393794), (1562, 13442468), (1612, 13025518), (1846, 11374396), (1922, 10924628), (2152, 9757033), (2201, 9539816), (2728, 7696897), (2959, 7096024), (3124, 6721234), (3224, 6512759), (3497, 6004328), (3692, 5687198), (3844, 5462314), (4402, 4769908), (4433, 4736552), (5918, 3548012), (6248, 3360617), (6994, 3002164), (7384, 2843599), (7688, 2731157), (8339, 2517944), (8804, 2384954), (8866, 2368276), (10153, 2068072), (10571, 1986296), (11836, 1774006), (12493, 1680712), (13988, 1501082), (16678, 1258972), (17608, 1192477), (17732, 1184138), (19099, 1099384), (20306, 1034036), (21142, 993148), (23672, 887003), (24211, 867256), (24986, 840356), (27976, 750541), (28613, 733832), (33356, 629486), (35464, 592069), (38198, 549692), (38467, 545848), (40612, 517018), (42284, 496574), (48422, 433628), (49972, 420178), (57226, 366916), (66712, 314743), (68231, 307736), (76396, 274846), (76934, 272924), (81224, 258509), (84568, 248287), (91729, 228904), (96844, 216814), (99944, 210089), (108407, 193688), (114452, 183458), (136462, 153868), (137423, 152792)]