20155827884

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1\times {\mathrm{1063}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 36161529600

約数和(自身を除く): 16005701716

約数列:

[1, 2, 4, 67, 134, 139, 268, 278, 509, 556, 1018, 1063, 2036, 2126, 4252, 9313, 18626, 34103, 37252, 68206, 70751, 71221, 136412, 141502, 142442, 147757, 283004, 284884, 295514, 541067, 591028, 1082134, 2164268, 4740317, 9480634, 9899719, 18961268, 19799438, 36251489, 39598876, 72502978, 75208313, 145005956, 150416626, 300833252, 5038956971, 10077913942, 20155827884]

約数ペア:

[(1, 20155827884), (2, 10077913942), (4, 5038956971), (67, 300833252), (134, 150416626), (139, 145005956), (268, 75208313), (278, 72502978), (509, 39598876), (556, 36251489), (1018, 19799438), (1063, 18961268), (2036, 9899719), (2126, 9480634), (4252, 4740317), (9313, 2164268), (18626, 1082134), (34103, 591028), (37252, 541067), (68206, 295514), (70751, 284884), (71221, 283004), (136412, 147757), (141502, 142442)]