20199678

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{63521}}^1$

素因数の和:63579

約数の個数: 16

約数和(自身を含む): 41162256

約数和(自身を除く): 20962578

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 63521, 127042, 190563, 381126, 3366613, 6733226, 10099839, 20199678]

約数ペア:

[(1, 20199678), (2, 10099839), (3, 6733226), (6, 3366613), (53, 381126), (106, 190563), (159, 127042), (318, 63521)]