20642304

素因数分解:

$2^9\times 3^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 35336256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 128, 151, 178, 192, 256, 267, 302, 356, 384, 453, 512, 534, 604, 712, 768, 906, 1068, 1208, 1424, 1536, 1812, 2136, 2416, 2848, 3624, 4272, 4832, 5696, 7248, 8544, 9664, 11392, 13439, 14496, 17088, 19328, 22784, 26878, 28992, 34176, 38656, 40317, 45568, 53756, 57984, 68352, 77312, 80634, 107512, 115968, 136704, 161268, 215024, 231936, 322536, 430048, 645072, 860096, 1290144, 1720192, 2580288, 3440384, 5160576, 6880768, 10321152, 20642304]

約数ペア:

[(1, 20642304), (2, 10321152), (3, 6880768), (4, 5160576), (6, 3440384), (8, 2580288), (12, 1720192), (16, 1290144), (24, 860096), (32, 645072), (48, 430048), (64, 322536), (89, 231936), (96, 215024), (128, 161268), (151, 136704), (178, 115968), (192, 107512), (256, 80634), (267, 77312), (302, 68352), (356, 57984), (384, 53756), (453, 45568), (512, 40317), (534, 38656), (604, 34176), (712, 28992), (768, 26878), (906, 22784), (1068, 19328), (1208, 17088), (1424, 14496), (1536, 13439), (1812, 11392), (2136, 9664), (2416, 8544), (2848, 7248), (3624, 5696), (4272, 4832)]