20270984

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 39290400

約数和(自身を除く): 19019416

約数列:

[1, 2, 4, 8, 59, 67, 118, 134, 236, 268, 472, 536, 641, 1282, 2564, 3953, 5128, 7906, 15812, 31624, 37819, 42947, 75638, 85894, 151276, 171788, 302552, 343576, 2533873, 5067746, 10135492, 20270984]

約数ペア:

[(1, 20270984), (2, 10135492), (4, 5067746), (8, 2533873), (59, 343576), (67, 302552), (118, 171788), (134, 151276), (236, 85894), (268, 75638), (472, 42947), (536, 37819), (641, 31624), (1282, 15812), (2564, 7906), (3953, 5128)]