20784830989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{51421}}^1$

素因数の和:51541

約数の個数: 32

約数和(自身を含む): 24880020480

約数和(自身を除く): 4095189491

約数列:

[1, 13, 17, 31, 59, 221, 403, 527, 767, 1003, 1829, 6851, 13039, 23777, 31093, 51421, 404209, 668473, 874157, 1594051, 3033839, 11364041, 20722663, 27098867, 39439907, 51575263, 94049009, 352285271, 670478419, 1222637117, 1598833153, 20784830989]

約数ペア:

[(1, 20784830989), (13, 1598833153), (17, 1222637117), (31, 670478419), (59, 352285271), (221, 94049009), (403, 51575263), (527, 39439907), (767, 27098867), (1003, 20722663), (1829, 11364041), (6851, 3033839), (13039, 1594051), (23777, 874157), (31093, 668473), (51421, 404209)]