20143480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71941}}^1$

素因数の和:71959

約数の個数: 32

約数和(自身を含む): 51798240

約数和(自身を除く): 31654760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71941, 143882, 287764, 359705, 503587, 575528, 719410, 1007174, 1438820, 2014348, 2517935, 2877640, 4028696, 5035870, 10071740, 20143480]

約数ペア:

[(1, 20143480), (2, 10071740), (4, 5035870), (5, 4028696), (7, 2877640), (8, 2517935), (10, 2014348), (14, 1438820), (20, 1007174), (28, 719410), (35, 575528), (40, 503587), (56, 359705), (70, 287764), (140, 143882), (280, 71941)]