20121383709

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6795469}}^1$

素因数の和:6795529

約数の個数: 24

約数和(自身を含む): 33922986240

約数和(自身を除く): 13801602531

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6795469, 20386407, 47568283, 61159221, 142704849, 319387043, 428114547, 958161129, 2235709301, 2874483387, 6707127903, 20121383709]

約数ペア:

[(1, 20121383709), (3, 6707127903), (7, 2874483387), (9, 2235709301), (21, 958161129), (47, 428114547), (63, 319387043), (141, 142704849), (329, 61159221), (423, 47568283), (987, 20386407), (2961, 6795469)]