20186565616

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{65327}}^1$

素因数の和:65462

約数の個数: 80

約数和(自身を含む): 46659870720

約数和(自身を除く): 26473305104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 89, 112, 124, 178, 217, 248, 356, 434, 496, 623, 712, 868, 1246, 1424, 1736, 2492, 2759, 3472, 4984, 5518, 9968, 11036, 19313, 22072, 38626, 44144, 65327, 77252, 130654, 154504, 261308, 309008, 457289, 522616, 914578, 1045232, 1829156, 2025137, 3658312, 4050274, 5814103, 7316624, 8100548, 11628206, 14175959, 16201096, 23256412, 28351918, 32402192, 40698721, 46512824, 56703836, 81397442, 93025648, 113407672, 162794884, 180237193, 226815344, 325589768, 360474386, 651179536, 720948772, 1261660351, 1441897544, 2523320702, 2883795088, 5046641404, 10093282808, 20186565616]

約数ペア:

[(1, 20186565616), (2, 10093282808), (4, 5046641404), (7, 2883795088), (8, 2523320702), (14, 1441897544), (16, 1261660351), (28, 720948772), (31, 651179536), (56, 360474386), (62, 325589768), (89, 226815344), (112, 180237193), (124, 162794884), (178, 113407672), (217, 93025648), (248, 81397442), (356, 56703836), (434, 46512824), (496, 40698721), (623, 32402192), (712, 28351918), (868, 23256412), (1246, 16201096), (1424, 14175959), (1736, 11628206), (2492, 8100548), (2759, 7316624), (3472, 5814103), (4984, 4050274), (5518, 3658312), (9968, 2025137), (11036, 1829156), (19313, 1045232), (22072, 914578), (38626, 522616), (44144, 457289), (65327, 309008), (77252, 261308), (130654, 154504)]