20658889678

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{115727}}^1$

素因数の和:116088

約数の個数: 32

約数和(自身を含む): 36395993088

約数和(自身を除く): 15737103410

約数列:

[1, 2, 7, 14, 41, 82, 287, 311, 574, 622, 2177, 4354, 12751, 25502, 89257, 115727, 178514, 231454, 810089, 1620178, 4744807, 9489614, 33213649, 35991097, 66427298, 71982194, 251937679, 503875358, 1475634977, 2951269954, 10329444839, 20658889678]

約数ペア:

[(1, 20658889678), (2, 10329444839), (7, 2951269954), (14, 1475634977), (41, 503875358), (82, 251937679), (287, 71982194), (311, 66427298), (574, 35991097), (622, 33213649), (2177, 9489614), (4354, 4744807), (12751, 1620178), (25502, 810089), (89257, 231454), (115727, 178514)]