20205626812

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{35543}}^1$

素因数の和:35890

約数の個数: 48

約数和(自身を含む): 41083176960

約数和(自身を除く): 20877550148

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 257, 316, 514, 553, 1028, 1106, 1799, 2212, 3598, 7196, 20303, 35543, 40606, 71086, 81212, 142121, 142172, 248801, 284242, 497602, 568484, 995204, 2807897, 5615794, 9134551, 11231588, 18269102, 19655279, 36538204, 39310558, 63941857, 78621116, 127883714, 255767428, 721629529, 1443259058, 2886518116, 5051406703, 10102813406, 20205626812]

約数ペア:

[(1, 20205626812), (2, 10102813406), (4, 5051406703), (7, 2886518116), (14, 1443259058), (28, 721629529), (79, 255767428), (158, 127883714), (257, 78621116), (316, 63941857), (514, 39310558), (553, 36538204), (1028, 19655279), (1106, 18269102), (1799, 11231588), (2212, 9134551), (3598, 5615794), (7196, 2807897), (20303, 995204), (35543, 568484), (40606, 497602), (71086, 284242), (81212, 248801), (142121, 142172)]