16803880

素因数分解:

$2^3\times 5^1\times {\mathrm{420097}}^1$

素因数の和:420108

約数の個数: 16

約数和(自身を含む): 37808820

約数和(自身を除く): 21004940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 420097, 840194, 1680388, 2100485, 3360776, 4200970, 8401940, 16803880]

約数ペア:

[(1, 16803880), (2, 8401940), (4, 4200970), (5, 3360776), (8, 2100485), (10, 1680388), (20, 840194), (40, 420097)]