20252835

素因数分解:

$3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 37040640

約数和(自身を除く): 16787805

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 211, 237, 243, 395, 405, 633, 711, 1055, 1185, 1215, 1899, 2133, 3165, 3555, 5697, 6399, 9495, 10665, 16669, 17091, 19197, 28485, 31995, 50007, 51273, 83345, 85455, 95985, 150021, 250035, 256365, 450063, 750105, 1350189, 2250315, 4050567, 6750945, 20252835]

約数ペア:

[(1, 20252835), (3, 6750945), (5, 4050567), (9, 2250315), (15, 1350189), (27, 750105), (45, 450063), (79, 256365), (81, 250035), (135, 150021), (211, 95985), (237, 85455), (243, 83345), (395, 51273), (405, 50007), (633, 31995), (711, 28485), (1055, 19197), (1185, 17091), (1215, 16669), (1899, 10665), (2133, 9495), (3165, 6399), (3555, 5697)]