20149663646

素因数分解:

$2^1\times 7^1\times {\mathrm{9923}}^1\times {\mathrm{145043}}^1$

素因数の和:154975

約数の個数: 16

約数和(自身を含む): 34545999744

約数和(自身を除く): 14396336098

約数列:

[1, 2, 7, 14, 9923, 19846, 69461, 138922, 145043, 290086, 1015301, 2030602, 1439261689, 2878523378, 10074831823, 20149663646]

約数ペア:

[(1, 20149663646), (2, 10074831823), (7, 2878523378), (14, 1439261689), (9923, 2030602), (19846, 1015301), (69461, 290086), (138922, 145043)]