20951325

素因数分解:

$3^3\times 5^2\times {\mathrm{31039}}^1$

素因数の和:31058

約数の個数: 24

約数和(自身を含む): 38489600

約数和(自身を除く): 17538275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31039, 93117, 155195, 279351, 465585, 775975, 838053, 1396755, 2327925, 4190265, 6983775, 20951325]

約数ペア:

[(1, 20951325), (3, 6983775), (5, 4190265), (9, 2327925), (15, 1396755), (25, 838053), (27, 775975), (45, 465585), (75, 279351), (135, 155195), (225, 93117), (675, 31039)]