20159069979

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1\times {\mathrm{907}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 27447459840

約数和(自身を除く): 7288389861

約数列:

[1, 3, 79, 191, 237, 491, 573, 907, 1473, 2721, 15089, 38789, 45267, 71653, 93781, 116367, 173237, 214959, 281343, 445337, 519711, 1336011, 7408699, 13685723, 22226097, 35181623, 41057169, 85059367, 105544869, 255178101, 6719689993, 20159069979]

約数ペア:

[(1, 20159069979), (3, 6719689993), (79, 255178101), (191, 105544869), (237, 85059367), (491, 41057169), (573, 35181623), (907, 22226097), (1473, 13685723), (2721, 7408699), (15089, 1336011), (38789, 519711), (45267, 445337), (71653, 281343), (93781, 214959), (116367, 173237)]