20123366949

素因数分解:

$3^4\times 7^1\times {\mathrm{2297}}^1\times {\mathrm{15451}}^1$

素因数の和:17767

約数の個数: 40

約数和(自身を含む): 34372417728

約数和(自身を除く): 14249050779

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2297, 6891, 15451, 16079, 20673, 46353, 48237, 62019, 108157, 139059, 144711, 186057, 324471, 417177, 434133, 973413, 1251531, 1302399, 2920239, 8760717, 35490947, 106472841, 248436629, 319418523, 745309887, 958255569, 2235929661, 2874766707, 6707788983, 20123366949]

約数ペア:

[(1, 20123366949), (3, 6707788983), (7, 2874766707), (9, 2235929661), (21, 958255569), (27, 745309887), (63, 319418523), (81, 248436629), (189, 106472841), (567, 35490947), (2297, 8760717), (6891, 2920239), (15451, 1302399), (16079, 1251531), (20673, 973413), (46353, 434133), (48237, 417177), (62019, 324471), (108157, 186057), (139059, 144711)]