20956704

素因数分解:

$2^5\times 3^1\times {\mathrm{419}}^1\times {\mathrm{521}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 55248480

約数和(自身を除く): 34291776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 419, 521, 838, 1042, 1257, 1563, 1676, 2084, 2514, 3126, 3352, 4168, 5028, 6252, 6704, 8336, 10056, 12504, 13408, 16672, 20112, 25008, 40224, 50016, 218299, 436598, 654897, 873196, 1309794, 1746392, 2619588, 3492784, 5239176, 6985568, 10478352, 20956704]

約数ペア:

[(1, 20956704), (2, 10478352), (3, 6985568), (4, 5239176), (6, 3492784), (8, 2619588), (12, 1746392), (16, 1309794), (24, 873196), (32, 654897), (48, 436598), (96, 218299), (419, 50016), (521, 40224), (838, 25008), (1042, 20112), (1257, 16672), (1563, 13408), (1676, 12504), (2084, 10056), (2514, 8336), (3126, 6704), (3352, 6252), (4168, 5028)]