20158347

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 10613877

約数列:

[1, 3, 11, 33, 41, 47, 123, 141, 317, 451, 517, 951, 1353, 1551, 1927, 3487, 5781, 10461, 12997, 14899, 21197, 38991, 44697, 63591, 142967, 163889, 428901, 491667, 610859, 1832577, 6719449, 20158347]

約数ペア:

[(1, 20158347), (3, 6719449), (11, 1832577), (33, 610859), (41, 491667), (47, 428901), (123, 163889), (141, 142967), (317, 63591), (451, 44697), (517, 38991), (951, 21197), (1353, 14899), (1551, 12997), (1927, 10461), (3487, 5781)]