20426016

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1298

約数の個数: 72

約数和(自身を含む): 58106160

約数和(自身を除く): 37680144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1259, 1352, 2028, 2518, 2704, 3777, 4056, 5036, 5408, 7554, 8112, 10072, 15108, 16224, 16367, 20144, 30216, 32734, 40288, 49101, 60432, 65468, 98202, 120864, 130936, 196404, 212771, 261872, 392808, 425542, 523744, 638313, 785616, 851084, 1276626, 1571232, 1702168, 2553252, 3404336, 5106504, 6808672, 10213008, 20426016]

約数ペア:

[(1, 20426016), (2, 10213008), (3, 6808672), (4, 5106504), (6, 3404336), (8, 2553252), (12, 1702168), (13, 1571232), (16, 1276626), (24, 851084), (26, 785616), (32, 638313), (39, 523744), (48, 425542), (52, 392808), (78, 261872), (96, 212771), (104, 196404), (156, 130936), (169, 120864), (208, 98202), (312, 65468), (338, 60432), (416, 49101), (507, 40288), (624, 32734), (676, 30216), (1014, 20144), (1248, 16367), (1259, 16224), (1352, 15108), (2028, 10072), (2518, 8112), (2704, 7554), (3777, 5408), (4056, 5036)]