20802885

素因数分解:

$3^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1361}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 33341760

約数和(自身を除く): 12538875

約数列:

[1, 3, 5, 15, 1019, 1361, 3057, 4083, 5095, 6805, 15285, 20415, 1386859, 4160577, 6934295, 20802885]

約数ペア:

[(1, 20802885), (3, 6934295), (5, 4160577), (15, 1386859), (1019, 20415), (1361, 15285), (3057, 6805), (4083, 5095)]