15864020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34487}}^1$

素因数の和:34519

約数の個数: 24

約数和(自身を含む): 34763904

約数和(自身を除く): 18899884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 34487, 68974, 137948, 172435, 344870, 689740, 793201, 1586402, 3172804, 3966005, 7932010, 15864020]

約数ペア:

[(1, 15864020), (2, 7932010), (4, 3966005), (5, 3172804), (10, 1586402), (20, 793201), (23, 689740), (46, 344870), (92, 172435), (115, 137948), (230, 68974), (460, 34487)]