20129890228

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1\times {\mathrm{5393}}^1$

素因数の和:6736

約数の個数: 48

約数和(自身を含む): 40669896960

約数和(自身を除く): 20540006732

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1223, 1526, 2446, 3052, 4892, 5393, 8561, 10786, 17122, 21572, 34244, 37751, 75502, 133307, 151004, 266614, 533228, 587837, 933149, 1175674, 1866298, 2351348, 3732596, 4114859, 6595639, 8229718, 13191278, 16459436, 26382556, 46169473, 92338946, 184677892, 718924651, 1437849302, 2875698604, 5032472557, 10064945114, 20129890228]

約数ペア:

[(1, 20129890228), (2, 10064945114), (4, 5032472557), (7, 2875698604), (14, 1437849302), (28, 718924651), (109, 184677892), (218, 92338946), (436, 46169473), (763, 26382556), (1223, 16459436), (1526, 13191278), (2446, 8229718), (3052, 6595639), (4892, 4114859), (5393, 3732596), (8561, 2351348), (10786, 1866298), (17122, 1175674), (21572, 933149), (34244, 587837), (37751, 533228), (75502, 266614), (133307, 151004)]