20007854504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:663

約数の個数: 128

約数和(自身を含む): 42674688000

約数和(自身を除く): 22666833496

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 83, 88, 94, 166, 167, 188, 332, 334, 349, 376, 517, 664, 668, 698, 913, 1034, 1336, 1396, 1826, 1837, 2068, 2792, 3652, 3674, 3839, 3901, 4136, 7304, 7348, 7678, 7802, 7849, 13861, 14696, 15356, 15604, 15698, 16403, 27722, 28967, 30712, 31208, 31396, 32806, 42911, 55444, 57934, 58283, 62792, 65612, 85822, 86339, 110888, 115868, 116566, 131224, 152471, 171644, 172678, 180433, 231736, 233132, 304942, 318637, 343288, 345356, 360866, 466264, 609884, 637274, 641113, 651467, 690712, 721732, 1219768, 1274548, 1282226, 1302934, 1361449, 1443464, 2549096, 2564452, 2605868, 2722898, 2739301, 4837489, 5128904, 5211736, 5445796, 5478602, 7166137, 9674978, 10891592, 10957204, 14332274, 14975939, 19349956, 21914408, 28664548, 29951878, 30132311, 38699912, 53212379, 57329096, 59903756, 60264622, 106424758, 119807512, 120529244, 212849516, 227361983, 241058488, 425699032, 454723966, 909447932, 1818895864, 2500981813, 5001963626, 10003927252, 20007854504]

約数ペア:

[(1, 20007854504), (2, 10003927252), (4, 5001963626), (8, 2500981813), (11, 1818895864), (22, 909447932), (44, 454723966), (47, 425699032), (83, 241058488), (88, 227361983), (94, 212849516), (166, 120529244), (167, 119807512), (188, 106424758), (332, 60264622), (334, 59903756), (349, 57329096), (376, 53212379), (517, 38699912), (664, 30132311), (668, 29951878), (698, 28664548), (913, 21914408), (1034, 19349956), (1336, 14975939), (1396, 14332274), (1826, 10957204), (1837, 10891592), (2068, 9674978), (2792, 7166137), (3652, 5478602), (3674, 5445796), (3839, 5211736), (3901, 5128904), (4136, 4837489), (7304, 2739301), (7348, 2722898), (7678, 2605868), (7802, 2564452), (7849, 2549096), (13861, 1443464), (14696, 1361449), (15356, 1302934), (15604, 1282226), (15698, 1274548), (16403, 1219768), (27722, 721732), (28967, 690712), (30712, 651467), (31208, 641113), (31396, 637274), (32806, 609884), (42911, 466264), (55444, 360866), (57934, 345356), (58283, 343288), (62792, 318637), (65612, 304942), (85822, 233132), (86339, 231736), (110888, 180433), (115868, 172678), (116566, 171644), (131224, 152471)]