20970316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2251}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 39157776

約数和(自身を除く): 18187460

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2251, 2329, 4502, 4658, 9004, 9316, 38267, 76534, 153068, 308387, 616774, 1233548, 5242579, 10485158, 20970316]

約数ペア:

[(1, 20970316), (2, 10485158), (4, 5242579), (17, 1233548), (34, 616774), (68, 308387), (137, 153068), (274, 76534), (548, 38267), (2251, 9316), (2329, 9004), (4502, 4658)]