20246128

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4409}}^1$

素因数の和:4465

約数の個数: 40

約数和(自身を含む): 45934560

約数和(自身を除く): 25688432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4409, 4592, 8818, 17636, 30863, 35272, 61726, 70544, 123452, 180769, 246904, 361538, 493808, 723076, 1265383, 1446152, 2530766, 2892304, 5061532, 10123064, 20246128]

約数ペア:

[(1, 20246128), (2, 10123064), (4, 5061532), (7, 2892304), (8, 2530766), (14, 1446152), (16, 1265383), (28, 723076), (41, 493808), (56, 361538), (82, 246904), (112, 180769), (164, 123452), (287, 70544), (328, 61726), (574, 35272), (656, 30863), (1148, 17636), (2296, 8818), (4409, 4592)]