20317818

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 41944320

約数和(自身を除く): 21626502

約数列:

[1, 2, 3, 6, 47, 94, 109, 141, 218, 282, 327, 654, 661, 1322, 1983, 3966, 5123, 10246, 15369, 30738, 31067, 62134, 72049, 93201, 144098, 186402, 216147, 432294, 3386303, 6772606, 10158909, 20317818]

約数ペア:

[(1, 20317818), (2, 10158909), (3, 6772606), (6, 3386303), (47, 432294), (94, 216147), (109, 186402), (141, 144098), (218, 93201), (282, 72049), (327, 62134), (654, 31067), (661, 30738), (1322, 15369), (1983, 10246), (3966, 5123)]