20898324

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1286

約数の個数: 60

約数和(自身を含む): 55708884

約数和(自身を除く): 34810560

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1217, 1431, 1908, 2434, 2862, 3651, 4293, 4868, 5724, 7302, 8586, 10953, 14604, 17172, 21906, 32859, 43812, 64501, 65718, 98577, 129002, 131436, 193503, 197154, 258004, 387006, 394308, 580509, 774012, 1161018, 1741527, 2322036, 3483054, 5224581, 6966108, 10449162, 20898324]

約数ペア:

[(1, 20898324), (2, 10449162), (3, 6966108), (4, 5224581), (6, 3483054), (9, 2322036), (12, 1741527), (18, 1161018), (27, 774012), (36, 580509), (53, 394308), (54, 387006), (81, 258004), (106, 197154), (108, 193503), (159, 131436), (162, 129002), (212, 98577), (318, 65718), (324, 64501), (477, 43812), (636, 32859), (954, 21906), (1217, 17172), (1431, 14604), (1908, 10953), (2434, 8586), (2862, 7302), (3651, 5724), (4293, 4868)]