20638304

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{17431}}^1$

素因数の和:17478

約数の個数: 24

約数和(自身を含む): 41732208

約数和(自身を除く): 21093904

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 1184, 17431, 34862, 69724, 139448, 278896, 557792, 644947, 1289894, 2579788, 5159576, 10319152, 20638304]

約数ペア:

[(1, 20638304), (2, 10319152), (4, 5159576), (8, 2579788), (16, 1289894), (32, 644947), (37, 557792), (74, 278896), (148, 139448), (296, 69724), (592, 34862), (1184, 17431)]