20440030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157231}}^1$

素因数の和:157251

約数の個数: 16

約数和(自身を含む): 39622464

約数和(自身を除く): 19182434

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157231, 314462, 786155, 1572310, 2044003, 4088006, 10220015, 20440030]

約数ペア:

[(1, 20440030), (2, 10220015), (5, 4088006), (10, 2044003), (13, 1572310), (26, 786155), (65, 314462), (130, 157231)]