20165579792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1256579}}^1$

素因数の和:1256663

約数の個数: 40

約数和(自身を含む): 42070298400

約数和(自身を除く): 21904718608

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 2006, 4012, 8024, 16048, 1256579, 2513158, 5026316, 10052632, 20105264, 21361843, 42723686, 74138161, 85447372, 148276322, 170894744, 296552644, 341789488, 593105288, 1186210576, 1260348737, 2520697474, 5041394948, 10082789896, 20165579792]

約数ペア:

[(1, 20165579792), (2, 10082789896), (4, 5041394948), (8, 2520697474), (16, 1260348737), (17, 1186210576), (34, 593105288), (59, 341789488), (68, 296552644), (118, 170894744), (136, 148276322), (236, 85447372), (272, 74138161), (472, 42723686), (944, 21361843), (1003, 20105264), (2006, 10052632), (4012, 5026316), (8024, 2513158), (16048, 1256579)]