19954120

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2141}}^1$

素因数の和:2385

約数の個数: 32

約数和(自身を含む): 45110520

約数和(自身を除く): 25156400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2141, 2330, 4282, 4660, 8564, 9320, 10705, 17128, 21410, 42820, 85640, 498853, 997706, 1995412, 2494265, 3990824, 4988530, 9977060, 19954120]

約数ペア:

[(1, 19954120), (2, 9977060), (4, 4988530), (5, 3990824), (8, 2494265), (10, 1995412), (20, 997706), (40, 498853), (233, 85640), (466, 42820), (932, 21410), (1165, 17128), (1864, 10705), (2141, 9320), (2330, 8564), (4282, 4660)]