20737977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 32578560

約数和(自身を除く): 11840583

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1009, 1209, 1581, 3027, 6851, 13117, 17153, 20553, 31279, 39351, 51459, 93837, 222989, 406627, 531743, 668967, 1219881, 1595229, 6912659, 20737977]

約数ペア:

[(1, 20737977), (3, 6912659), (13, 1595229), (17, 1219881), (31, 668967), (39, 531743), (51, 406627), (93, 222989), (221, 93837), (403, 51459), (527, 39351), (663, 31279), (1009, 20553), (1209, 17153), (1581, 13117), (3027, 6851)]