20808548709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1567}}^1\times {\mathrm{20029}}^1$

素因数の和:21629

約数の個数: 32

約数和(自身を含む): 31658296320

約数和(自身を除く): 10849747611

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1567, 4701, 20029, 20371, 26639, 60087, 61113, 79917, 260377, 340493, 346307, 781131, 1021479, 1038921, 4426409, 13279227, 31385443, 94156329, 408010759, 533552531, 1224032277, 1600657593, 6936182903, 20808548709]

約数ペア:

[(1, 20808548709), (3, 6936182903), (13, 1600657593), (17, 1224032277), (39, 533552531), (51, 408010759), (221, 94156329), (663, 31385443), (1567, 13279227), (4701, 4426409), (20029, 1038921), (20371, 1021479), (26639, 781131), (60087, 346307), (61113, 340493), (79917, 260377)]