20173621412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{33767}}^1$

素因数の和:34920

約数の個数: 48

約数和(自身を含む): 42509859840

約数和(自身を除く): 22336238428

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1123, 2246, 4492, 7861, 15722, 21337, 31444, 33767, 42674, 67534, 85348, 135068, 149359, 236369, 298718, 472738, 597436, 641573, 945476, 1283146, 2566292, 4491011, 8982022, 17964044, 37920341, 75840682, 151681364, 265442387, 530884774, 720486479, 1061769548, 1440972958, 2881945916, 5043405353, 10086810706, 20173621412]

約数ペア:

[(1, 20173621412), (2, 10086810706), (4, 5043405353), (7, 2881945916), (14, 1440972958), (19, 1061769548), (28, 720486479), (38, 530884774), (76, 265442387), (133, 151681364), (266, 75840682), (532, 37920341), (1123, 17964044), (2246, 8982022), (4492, 4491011), (7861, 2566292), (15722, 1283146), (21337, 945476), (31444, 641573), (33767, 597436), (42674, 472738), (67534, 298718), (85348, 236369), (135068, 149359)]