20154563128

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{44971}}^1$

素因数の和:45188

約数の個数: 64

約数和(自身を含む): 44295621120

約数和(自身を除く): 24141057992

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 151, 212, 302, 371, 424, 604, 742, 1057, 1208, 1484, 2114, 2968, 4228, 8003, 8456, 16006, 32012, 44971, 56021, 64024, 89942, 112042, 179884, 224084, 314797, 359768, 448168, 629594, 1259188, 2383463, 2518376, 4766926, 6790621, 9533852, 13581242, 16684241, 19067704, 27162484, 33368482, 47534347, 54324968, 66736964, 95068694, 133473928, 190137388, 359902913, 380274776, 719805826, 1439611652, 2519320391, 2879223304, 5038640782, 10077281564, 20154563128]

約数ペア:

[(1, 20154563128), (2, 10077281564), (4, 5038640782), (7, 2879223304), (8, 2519320391), (14, 1439611652), (28, 719805826), (53, 380274776), (56, 359902913), (106, 190137388), (151, 133473928), (212, 95068694), (302, 66736964), (371, 54324968), (424, 47534347), (604, 33368482), (742, 27162484), (1057, 19067704), (1208, 16684241), (1484, 13581242), (2114, 9533852), (2968, 6790621), (4228, 4766926), (8003, 2518376), (8456, 2383463), (16006, 1259188), (32012, 629594), (44971, 448168), (56021, 359768), (64024, 314797), (89942, 224084), (112042, 179884)]