20790742410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7451879}}^1$

素因数の和:7451923

約数の個数: 48

約数和(自身を含む): 55799677440

約数和(自身を除く): 35008935030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7451879, 14903758, 22355637, 37259395, 44711274, 67066911, 74518790, 111778185, 134133822, 223556370, 231008249, 335334555, 462016498, 670669110, 693024747, 1155041245, 1386049494, 2079074241, 2310082490, 3465123735, 4158148482, 6930247470, 10395371205, 20790742410]

約数ペア:

[(1, 20790742410), (2, 10395371205), (3, 6930247470), (5, 4158148482), (6, 3465123735), (9, 2310082490), (10, 2079074241), (15, 1386049494), (18, 1155041245), (30, 693024747), (31, 670669110), (45, 462016498), (62, 335334555), (90, 231008249), (93, 223556370), (155, 134133822), (186, 111778185), (279, 74518790), (310, 67066911), (465, 44711274), (558, 37259395), (930, 22355637), (1395, 14903758), (2790, 7451879)]