20885622016

素因数分解:

$2^8\times 7^2\times {\mathrm{19}}^1\times {\mathrm{87631}}^1$

素因数の和:87680

約数の個数: 108

約数和(自身を含む): 51049145280

約数和(自身を除く): 30163523264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 256, 266, 304, 392, 448, 532, 608, 784, 896, 931, 1064, 1216, 1568, 1792, 1862, 2128, 2432, 3136, 3724, 4256, 4864, 6272, 7448, 8512, 12544, 14896, 17024, 29792, 34048, 59584, 87631, 119168, 175262, 238336, 350524, 613417, 701048, 1226834, 1402096, 1664989, 2453668, 2804192, 3329978, 4293919, 4907336, 5608384, 6659956, 8587838, 9814672, 11216768, 11654923, 13319912, 17175676, 19629344, 22433536, 23309846, 26639824, 34351352, 39258688, 46619692, 53279648, 68702704, 78517376, 81584461, 93239384, 106559296, 137405408, 157034752, 163168922, 186478768, 213118592, 274810816, 326337844, 372957536, 426237184, 549621632, 652675688, 745915072, 1099243264, 1305351376, 1491830144, 2610702752, 2983660288, 5221405504, 10442811008, 20885622016]

約数ペア:

[(1, 20885622016), (2, 10442811008), (4, 5221405504), (7, 2983660288), (8, 2610702752), (14, 1491830144), (16, 1305351376), (19, 1099243264), (28, 745915072), (32, 652675688), (38, 549621632), (49, 426237184), (56, 372957536), (64, 326337844), (76, 274810816), (98, 213118592), (112, 186478768), (128, 163168922), (133, 157034752), (152, 137405408), (196, 106559296), (224, 93239384), (256, 81584461), (266, 78517376), (304, 68702704), (392, 53279648), (448, 46619692), (532, 39258688), (608, 34351352), (784, 26639824), (896, 23309846), (931, 22433536), (1064, 19629344), (1216, 17175676), (1568, 13319912), (1792, 11654923), (1862, 11216768), (2128, 9814672), (2432, 8587838), (3136, 6659956), (3724, 5608384), (4256, 4907336), (4864, 4293919), (6272, 3329978), (7448, 2804192), (8512, 2453668), (12544, 1664989), (14896, 1402096), (17024, 1226834), (29792, 701048), (34048, 613417), (59584, 350524), (87631, 238336), (119168, 175262)]