20693185808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76077889}}^1$

素因数の和:76077914

約数の個数: 20

約数和(自身を含む): 42451462620

約数和(自身を除く): 21758276812

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76077889, 152155778, 304311556, 608623112, 1217246224, 1293324113, 2586648226, 5173296452, 10346592904, 20693185808]

約数ペア:

[(1, 20693185808), (2, 10346592904), (4, 5173296452), (8, 2586648226), (16, 1293324113), (17, 1217246224), (34, 608623112), (68, 304311556), (136, 152155778), (272, 76077889)]