20216928256

素因数分解:

$2^{11}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{45491}}^1$

素因数の和:45551

約数の個数: 96

約数和(自身を含む): 47690173440

約数和(自身を除く): 27473245184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1024, 1736, 1792, 1984, 2048, 3472, 3584, 3968, 6944, 7168, 7936, 13888, 14336, 15872, 27776, 31744, 45491, 55552, 63488, 90982, 111104, 181964, 222208, 318437, 363928, 444416, 636874, 727856, 1273748, 1410221, 1455712, 2547496, 2820442, 2911424, 5094992, 5640884, 5822848, 9871547, 10189984, 11281768, 11645696, 19743094, 20379968, 22563536, 23291392, 39486188, 40759936, 45127072, 46582784, 78972376, 81519872, 90254144, 93165568, 157944752, 163039744, 180508288, 315889504, 326079488, 361016576, 631779008, 652158976, 722033152, 1263558016, 1444066304, 2527116032, 2888132608, 5054232064, 10108464128, 20216928256]

約数ペア:

[(1, 20216928256), (2, 10108464128), (4, 5054232064), (7, 2888132608), (8, 2527116032), (14, 1444066304), (16, 1263558016), (28, 722033152), (31, 652158976), (32, 631779008), (56, 361016576), (62, 326079488), (64, 315889504), (112, 180508288), (124, 163039744), (128, 157944752), (217, 93165568), (224, 90254144), (248, 81519872), (256, 78972376), (434, 46582784), (448, 45127072), (496, 40759936), (512, 39486188), (868, 23291392), (896, 22563536), (992, 20379968), (1024, 19743094), (1736, 11645696), (1792, 11281768), (1984, 10189984), (2048, 9871547), (3472, 5822848), (3584, 5640884), (3968, 5094992), (6944, 2911424), (7168, 2820442), (7936, 2547496), (13888, 1455712), (14336, 1410221), (15872, 1273748), (27776, 727856), (31744, 636874), (45491, 444416), (55552, 363928), (63488, 318437), (90982, 222208), (111104, 181964)]