20755329

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 12318591

約数列:

[1, 3, 7, 21, 29, 87, 173, 197, 203, 519, 591, 609, 1211, 1379, 3633, 4137, 5017, 5713, 15051, 17139, 34081, 35119, 39991, 102243, 105357, 119973, 238567, 715701, 988349, 2965047, 6918443, 20755329]

約数ペア:

[(1, 20755329), (3, 6918443), (7, 2965047), (21, 988349), (29, 715701), (87, 238567), (173, 119973), (197, 105357), (203, 102243), (519, 39991), (591, 35119), (609, 34081), (1211, 17139), (1379, 15051), (3633, 5713), (4137, 5017)]