20808542608

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6406571}}^1$

素因数の和:6406615

約数の個数: 40

約数和(自身を含む): 47664895680

約数和(自身を除く): 26856353072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 6406571, 12813142, 25626284, 44845997, 51252568, 89691994, 102505136, 179383988, 185790559, 358767976, 371581118, 717535952, 743162236, 1300533913, 1486324472, 2601067826, 2972648944, 5202135652, 10404271304, 20808542608]

約数ペア:

[(1, 20808542608), (2, 10404271304), (4, 5202135652), (7, 2972648944), (8, 2601067826), (14, 1486324472), (16, 1300533913), (28, 743162236), (29, 717535952), (56, 371581118), (58, 358767976), (112, 185790559), (116, 179383988), (203, 102505136), (232, 89691994), (406, 51252568), (464, 44845997), (812, 25626284), (1624, 12813142), (3248, 6406571)]