20942148305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{270973}}^1$

素因数の和:271061

約数の個数: 32

約数和(自身を含む): 28679888160

約数和(自身を除く): 7737739855

約数列:

[1, 5, 13, 29, 41, 65, 145, 205, 377, 533, 1189, 1885, 2665, 5945, 15457, 77285, 270973, 1354865, 3522649, 7858217, 11109893, 17613245, 39291085, 55549465, 102156821, 144428609, 322186897, 510784105, 722143045, 1610934485, 4188429661, 20942148305]

約数ペア:

[(1, 20942148305), (5, 4188429661), (13, 1610934485), (29, 722143045), (41, 510784105), (65, 322186897), (145, 144428609), (205, 102156821), (377, 55549465), (533, 39291085), (1189, 17613245), (1885, 11109893), (2665, 7858217), (5945, 3522649), (15457, 1354865), (77285, 270973)]