20007970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68993}}^1$

素因数の和:69029

約数の個数: 16

約数和(自身を含む): 37256760

約数和(自身を除く): 17248790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68993, 137986, 344965, 689930, 2000797, 4001594, 10003985, 20007970]

約数ペア:

[(1, 20007970), (2, 10003985), (5, 4001594), (10, 2000797), (29, 689930), (58, 344965), (145, 137986), (290, 68993)]