20121388329

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1\times {\mathrm{26347}}^1$

素因数の和:27285

約数の個数: 32

約数和(自身を含む): 31445600256

約数和(自身を除く): 11324211927

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 887, 2661, 6209, 18627, 26347, 36367, 79041, 109101, 184429, 254569, 553287, 763707, 1080227, 3240681, 7561589, 22684767, 23369789, 70109367, 163588523, 490765569, 958161349, 2874484047, 6707129443, 20121388329]

約数ペア:

[(1, 20121388329), (3, 6707129443), (7, 2874484047), (21, 958161349), (41, 490765569), (123, 163588523), (287, 70109367), (861, 23369789), (887, 22684767), (2661, 7561589), (6209, 3240681), (18627, 1080227), (26347, 763707), (36367, 553287), (79041, 254569), (109101, 184429)]