20427088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{419}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 43434720

約数和(自身を除く): 23007632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 277, 419, 554, 838, 1108, 1676, 2216, 3047, 3352, 4432, 4609, 6094, 6704, 9218, 12188, 18436, 24376, 36872, 48752, 73744, 116063, 232126, 464252, 928504, 1276693, 1857008, 2553386, 5106772, 10213544, 20427088]

約数ペア:

[(1, 20427088), (2, 10213544), (4, 5106772), (8, 2553386), (11, 1857008), (16, 1276693), (22, 928504), (44, 464252), (88, 232126), (176, 116063), (277, 73744), (419, 48752), (554, 36872), (838, 24376), (1108, 18436), (1676, 12188), (2216, 9218), (3047, 6704), (3352, 6094), (4432, 4609)]