20136883456

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{811}}^1\times {\mathrm{4217}}^1$

素因数の和:5067

約数の個数: 72

約数和(自身を含む): 42004396224

約数和(自身を除く): 21867512768

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 811, 1472, 1622, 2944, 3244, 4217, 5888, 6488, 8434, 12976, 16868, 18653, 25952, 33736, 37306, 51904, 67472, 74612, 96991, 103808, 134944, 149224, 193982, 207616, 269888, 298448, 387964, 539776, 596896, 775928, 1079552, 1193792, 1551856, 2387584, 3103712, 3419987, 4775168, 6207424, 6839974, 12414848, 13679948, 24829696, 27359896, 54719792, 78659701, 109439584, 157319402, 218879168, 314638804, 437758336, 629277608, 875516672, 1258555216, 2517110432, 5034220864, 10068441728, 20136883456]

約数ペア:

[(1, 20136883456), (2, 10068441728), (4, 5034220864), (8, 2517110432), (16, 1258555216), (23, 875516672), (32, 629277608), (46, 437758336), (64, 314638804), (92, 218879168), (128, 157319402), (184, 109439584), (256, 78659701), (368, 54719792), (736, 27359896), (811, 24829696), (1472, 13679948), (1622, 12414848), (2944, 6839974), (3244, 6207424), (4217, 4775168), (5888, 3419987), (6488, 3103712), (8434, 2387584), (12976, 1551856), (16868, 1193792), (18653, 1079552), (25952, 775928), (33736, 596896), (37306, 539776), (51904, 387964), (67472, 298448), (74612, 269888), (96991, 207616), (103808, 193982), (134944, 149224)]