20219896768

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:630

約数の個数: 112

約数和(自身を含む): 41527622304

約数和(自身を除く): 21307725536

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 97, 134, 173, 194, 268, 281, 346, 388, 536, 562, 692, 776, 1072, 1124, 1384, 1552, 2144, 2248, 2768, 3104, 4288, 4496, 5536, 6208, 6499, 8992, 11072, 11591, 12998, 16781, 17984, 18827, 23182, 25996, 27257, 33562, 37654, 46364, 48613, 51992, 54514, 67124, 75308, 92728, 97226, 103984, 109028, 134248, 150616, 185456, 194452, 207968, 218056, 268496, 301232, 370912, 388904, 415936, 436112, 536992, 602464, 741824, 777808, 872224, 1073984, 1124327, 1204928, 1555616, 1744448, 1826219, 2248654, 3111232, 3257071, 3652438, 4497308, 4715461, 6514142, 7304876, 8994616, 9430922, 13028284, 14609752, 17989232, 18861844, 26056568, 29219504, 35978464, 37723688, 52113136, 58439008, 71956928, 75447376, 104226272, 116878016, 150894752, 208452544, 301789504, 315935887, 631871774, 1263743548, 2527487096, 5054974192, 10109948384, 20219896768]

約数ペア:

[(1, 20219896768), (2, 10109948384), (4, 5054974192), (8, 2527487096), (16, 1263743548), (32, 631871774), (64, 315935887), (67, 301789504), (97, 208452544), (134, 150894752), (173, 116878016), (194, 104226272), (268, 75447376), (281, 71956928), (346, 58439008), (388, 52113136), (536, 37723688), (562, 35978464), (692, 29219504), (776, 26056568), (1072, 18861844), (1124, 17989232), (1384, 14609752), (1552, 13028284), (2144, 9430922), (2248, 8994616), (2768, 7304876), (3104, 6514142), (4288, 4715461), (4496, 4497308), (5536, 3652438), (6208, 3257071), (6499, 3111232), (8992, 2248654), (11072, 1826219), (11591, 1744448), (12998, 1555616), (16781, 1204928), (17984, 1124327), (18827, 1073984), (23182, 872224), (25996, 777808), (27257, 741824), (33562, 602464), (37654, 536992), (46364, 436112), (48613, 415936), (51992, 388904), (54514, 370912), (67124, 301232), (75308, 268496), (92728, 218056), (97226, 207968), (103984, 194452), (109028, 185456), (134248, 150616)]