20116269

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4357}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 31726240

約数和(自身を除く): 11609971

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4357, 4617, 13071, 39213, 82783, 117639, 248349, 352917, 745047, 1058751, 2235141, 6705423, 20116269]

約数ペア:

[(1, 20116269), (3, 6705423), (9, 2235141), (19, 1058751), (27, 745047), (57, 352917), (81, 248349), (171, 117639), (243, 82783), (513, 39213), (1539, 13071), (4357, 4617)]