20119347

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 33541200

約数和(自身を除く): 13421853

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 769, 969, 1377, 1539, 2307, 2907, 6921, 8721, 13073, 14611, 20763, 26163, 39219, 43833, 62289, 117657, 131499, 248387, 352971, 394497, 745161, 1058913, 1183491, 2235483, 6706449, 20119347]

約数ペア:

[(1, 20119347), (3, 6706449), (9, 2235483), (17, 1183491), (19, 1058913), (27, 745161), (51, 394497), (57, 352971), (81, 248387), (153, 131499), (171, 117657), (323, 62289), (459, 43833), (513, 39219), (769, 26163), (969, 20763), (1377, 14611), (1539, 13073), (2307, 8721), (2907, 6921)]