20047515

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13047141

約数列:

[1, 3, 5, 15, 53, 151, 159, 167, 265, 453, 501, 755, 795, 835, 2265, 2505, 8003, 8851, 24009, 25217, 26553, 40015, 44255, 75651, 120045, 126085, 132765, 378255, 1336501, 4009503, 6682505, 20047515]

約数ペア:

[(1, 20047515), (3, 6682505), (5, 4009503), (15, 1336501), (53, 378255), (151, 132765), (159, 126085), (167, 120045), (265, 75651), (453, 44255), (501, 40015), (755, 26553), (795, 25217), (835, 24009), (2265, 8851), (2505, 8003)]