20132321890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{77999}}^1$

素因数の和:78546

約数の個数: 32

約数和(自身を含む): 36998208000

約数和(自身を除く): 16865886110

約数列:

[1, 2, 5, 10, 53, 106, 265, 487, 530, 974, 2435, 4870, 25811, 51622, 77999, 129055, 155998, 258110, 389995, 779990, 4133947, 8267894, 20669735, 37985513, 41339470, 75971026, 189927565, 379855130, 2013232189, 4026464378, 10066160945, 20132321890]

約数ペア:

[(1, 20132321890), (2, 10066160945), (5, 4026464378), (10, 2013232189), (53, 379855130), (106, 189927565), (265, 75971026), (487, 41339470), (530, 37985513), (974, 20669735), (2435, 8267894), (4870, 4133947), (25811, 779990), (51622, 389995), (77999, 258110), (129055, 155998)]