20287514025

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1141351}}^1$

素因数の和:1141446

約数の個数: 36

約数和(自身を含む): 36797188480

約数和(自身を除く): 16509674455

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1975, 3555, 5925, 17775, 1141351, 3424053, 5706755, 10272159, 17120265, 28533775, 51360795, 85601325, 90166729, 256803975, 270500187, 450833645, 811500561, 1352500935, 2254168225, 4057502805, 6762504675, 20287514025]

約数ペア:

[(1, 20287514025), (3, 6762504675), (5, 4057502805), (9, 2254168225), (15, 1352500935), (25, 811500561), (45, 450833645), (75, 270500187), (79, 256803975), (225, 90166729), (237, 85601325), (395, 51360795), (711, 28533775), (1185, 17120265), (1975, 10272159), (3555, 5706755), (5925, 3424053), (17775, 1141351)]