20592770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 22952830

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 59, 95, 110, 118, 167, 190, 209, 295, 334, 418, 590, 649, 835, 1045, 1121, 1298, 1670, 1837, 2090, 2242, 3173, 3245, 3674, 5605, 6346, 6490, 9185, 9853, 11210, 12331, 15865, 18370, 19706, 24662, 31730, 34903, 49265, 61655, 69806, 98530, 108383, 123310, 174515, 187207, 216766, 349030, 374414, 541915, 936035, 1083830, 1872070, 2059277, 4118554, 10296385, 20592770]

約数ペア:

[(1, 20592770), (2, 10296385), (5, 4118554), (10, 2059277), (11, 1872070), (19, 1083830), (22, 936035), (38, 541915), (55, 374414), (59, 349030), (95, 216766), (110, 187207), (118, 174515), (167, 123310), (190, 108383), (209, 98530), (295, 69806), (334, 61655), (418, 49265), (590, 34903), (649, 31730), (835, 24662), (1045, 19706), (1121, 18370), (1298, 15865), (1670, 12331), (1837, 11210), (2090, 9853), (2242, 9185), (3173, 6490), (3245, 6346), (3674, 5605)]