20457430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{292249}}^1$

素因数の和:292263

約数の個数: 16

約数和(自身を含む): 42084000

約数和(自身を除く): 21626570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 292249, 584498, 1461245, 2045743, 2922490, 4091486, 10228715, 20457430]

約数ペア:

[(1, 20457430), (2, 10228715), (5, 4091486), (7, 2922490), (10, 2045743), (14, 1461245), (35, 584498), (70, 292249)]