20983712

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2269}}^1$

素因数の和:2313

約数の個数: 36

約数和(自身を含む): 43904070

約数和(自身を除く): 22920358

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2269, 2312, 4538, 4624, 9076, 9248, 18152, 36304, 38573, 72608, 77146, 154292, 308584, 617168, 655741, 1234336, 1311482, 2622964, 5245928, 10491856, 20983712]

約数ペア:

[(1, 20983712), (2, 10491856), (4, 5245928), (8, 2622964), (16, 1311482), (17, 1234336), (32, 655741), (34, 617168), (68, 308584), (136, 154292), (272, 77146), (289, 72608), (544, 38573), (578, 36304), (1156, 18152), (2269, 9248), (2312, 9076), (4538, 4624)]