20778737536

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{15091}}^1$

素因数の和:15483

約数の個数: 64

約数和(自身を含む): 42856450560

約数和(自身を除く): 22077713024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 347, 496, 694, 992, 1388, 1984, 2776, 3968, 5552, 10757, 11104, 15091, 21514, 22208, 30182, 43028, 44416, 60364, 86056, 120728, 172112, 241456, 344224, 467821, 482912, 688448, 935642, 965824, 1376896, 1871284, 1931648, 3742568, 5236577, 7485136, 10473154, 14970272, 20946308, 29940544, 41892616, 59881088, 83785232, 162333887, 167570464, 324667774, 335140928, 649335548, 670281856, 1298671096, 2597342192, 5194684384, 10389368768, 20778737536]

約数ペア:

[(1, 20778737536), (2, 10389368768), (4, 5194684384), (8, 2597342192), (16, 1298671096), (31, 670281856), (32, 649335548), (62, 335140928), (64, 324667774), (124, 167570464), (128, 162333887), (248, 83785232), (347, 59881088), (496, 41892616), (694, 29940544), (992, 20946308), (1388, 14970272), (1984, 10473154), (2776, 7485136), (3968, 5236577), (5552, 3742568), (10757, 1931648), (11104, 1871284), (15091, 1376896), (21514, 965824), (22208, 935642), (30182, 688448), (43028, 482912), (44416, 467821), (60364, 344224), (86056, 241456), (120728, 172112)]