20165378804968

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4463}}^1\times {\mathrm{253157}}^1$

素因数の和:257746

約数の個数: 64

約数和(自身を含む): 39869833167360

約数和(自身を除く): 19704454362392

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 2231, 4462, 4463, 8924, 8926, 17848, 17852, 35704, 102649, 205298, 253157, 410596, 432911, 506314, 821192, 865822, 1012628, 1731644, 2025256, 3463288, 5822611, 9956953, 11645222, 19913906, 23290444, 24556229, 39827812, 46580888, 49112458, 79655624, 98224916, 196449832, 564793267, 1129586534, 1129839691, 2259173068, 2259679382, 4518346136, 4519358764, 9038717528, 25986312893, 51972625786, 103945251572, 109594450027, 207890503144, 219188900054, 438377800108, 876755600216, 2520672350621, 5041344701242, 10082689402484, 20165378804968]

約数ペア:

[(1, 20165378804968), (2, 10082689402484), (4, 5041344701242), (8, 2520672350621), (23, 876755600216), (46, 438377800108), (92, 219188900054), (97, 207890503144), (184, 109594450027), (194, 103945251572), (388, 51972625786), (776, 25986312893), (2231, 9038717528), (4462, 4519358764), (4463, 4518346136), (8924, 2259679382), (8926, 2259173068), (17848, 1129839691), (17852, 1129586534), (35704, 564793267), (102649, 196449832), (205298, 98224916), (253157, 79655624), (410596, 49112458), (432911, 46580888), (506314, 39827812), (821192, 24556229), (865822, 23290444), (1012628, 19913906), (1731644, 11645222), (2025256, 9956953), (3463288, 5822611)]