20218481847

素因数分解:

$3^6\times {\mathrm{59}}^1\times {\mathrm{470077}}^1$

素因数の和:470154

約数の個数: 28

約数和(自身を含む): 30827715240

約数和(自身を除く): 10609233393

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 729, 1593, 4779, 14337, 43011, 470077, 1410231, 4230693, 12692079, 27734543, 38076237, 83203629, 114228711, 249610887, 342686133, 748832661, 2246497983, 6739493949, 20218481847]

約数ペア:

[(1, 20218481847), (3, 6739493949), (9, 2246497983), (27, 748832661), (59, 342686133), (81, 249610887), (177, 114228711), (243, 83203629), (531, 38076237), (729, 27734543), (1593, 12692079), (4779, 4230693), (14337, 1410231), (43011, 470077)]