20288568664

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{6121}}^1$

素因数の和:6333

約数の個数: 128

約数和(自身を含む): 48750710400

約数和(自身を除く): 28462141736

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 157, 182, 203, 232, 314, 364, 377, 406, 628, 728, 754, 812, 1099, 1256, 1508, 1624, 2041, 2198, 2639, 3016, 4082, 4396, 4553, 5278, 6121, 8164, 8792, 9106, 10556, 12242, 14287, 16328, 18212, 21112, 24484, 28574, 31871, 36424, 42847, 48968, 57148, 59189, 63742, 79573, 85694, 114296, 118378, 127484, 159146, 171388, 177509, 236756, 254968, 318292, 342776, 355018, 414323, 473512, 557011, 636584, 710036, 828646, 960997, 1114022, 1242563, 1420072, 1657292, 1921994, 2228044, 2307617, 2485126, 3314584, 3843988, 4456088, 4615234, 4970252, 6726979, 7687976, 9230468, 9940504, 12492961, 13453958, 16153319, 18460936, 24985922, 26907916, 27868913, 32306638, 49971844, 53815832, 55737826, 64613276, 87450727, 99943688, 111475652, 129226552, 174901454, 195082391, 222951304, 349802908, 362295869, 390164782, 699605816, 724591738, 780329564, 1449183476, 1560659128, 2536071083, 2898366952, 5072142166, 10144284332, 20288568664]

約数ペア:

[(1, 20288568664), (2, 10144284332), (4, 5072142166), (7, 2898366952), (8, 2536071083), (13, 1560659128), (14, 1449183476), (26, 780329564), (28, 724591738), (29, 699605816), (52, 390164782), (56, 362295869), (58, 349802908), (91, 222951304), (104, 195082391), (116, 174901454), (157, 129226552), (182, 111475652), (203, 99943688), (232, 87450727), (314, 64613276), (364, 55737826), (377, 53815832), (406, 49971844), (628, 32306638), (728, 27868913), (754, 26907916), (812, 24985922), (1099, 18460936), (1256, 16153319), (1508, 13453958), (1624, 12492961), (2041, 9940504), (2198, 9230468), (2639, 7687976), (3016, 6726979), (4082, 4970252), (4396, 4615234), (4553, 4456088), (5278, 3843988), (6121, 3314584), (8164, 2485126), (8792, 2307617), (9106, 2228044), (10556, 1921994), (12242, 1657292), (14287, 1420072), (16328, 1242563), (18212, 1114022), (21112, 960997), (24484, 828646), (28574, 710036), (31871, 636584), (36424, 557011), (42847, 473512), (48968, 414323), (57148, 355018), (59189, 342776), (63742, 318292), (79573, 254968), (85694, 236756), (114296, 177509), (118378, 171388), (127484, 159146)]