20173847216

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1301}}^1\times {\mathrm{1453}}^1$

素因数の和:2814

約数の個数: 80

約数和(自身を含む): 42254170560

約数和(自身を除く): 22080323344

約数列:

[1, 2, 4, 8, 16, 23, 29, 46, 58, 92, 116, 184, 232, 368, 464, 667, 1301, 1334, 1453, 2602, 2668, 2906, 5204, 5336, 5812, 10408, 10672, 11624, 20816, 23248, 29923, 33419, 37729, 42137, 59846, 66838, 75458, 84274, 119692, 133676, 150916, 168548, 239384, 267352, 301832, 337096, 478768, 534704, 603664, 674192, 867767, 969151, 1735534, 1890353, 1938302, 3471068, 3780706, 3876604, 6942136, 7561412, 7753208, 13884272, 15122824, 15506416, 30245648, 43478119, 54820237, 86956238, 109640474, 173912476, 219280948, 347824952, 438561896, 695649904, 877123792, 1260865451, 2521730902, 5043461804, 10086923608, 20173847216]

約数ペア:

[(1, 20173847216), (2, 10086923608), (4, 5043461804), (8, 2521730902), (16, 1260865451), (23, 877123792), (29, 695649904), (46, 438561896), (58, 347824952), (92, 219280948), (116, 173912476), (184, 109640474), (232, 86956238), (368, 54820237), (464, 43478119), (667, 30245648), (1301, 15506416), (1334, 15122824), (1453, 13884272), (2602, 7753208), (2668, 7561412), (2906, 6942136), (5204, 3876604), (5336, 3780706), (5812, 3471068), (10408, 1938302), (10672, 1890353), (11624, 1735534), (20816, 969151), (23248, 867767), (29923, 674192), (33419, 603664), (37729, 534704), (42137, 478768), (59846, 337096), (66838, 301832), (75458, 267352), (84274, 239384), (119692, 168548), (133676, 150916)]