20654070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{947}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 49690368

約数和(自身を除く): 29036298

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727, 947, 1454, 1894, 2181, 2841, 3635, 4362, 4735, 5682, 7270, 9470, 10905, 14205, 21810, 28410, 688469, 1376938, 2065407, 3442345, 4130814, 6884690, 10327035, 20654070]

約数ペア:

[(1, 20654070), (2, 10327035), (3, 6884690), (5, 4130814), (6, 3442345), (10, 2065407), (15, 1376938), (30, 688469), (727, 28410), (947, 21810), (1454, 14205), (1894, 10905), (2181, 9470), (2841, 7270), (3635, 5682), (4362, 4735)]