20769930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2593}}^1$

素因数の和:2695

約数の個数: 48

約数和(自身を含む): 54629640

約数和(自身を除く): 33859710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2593, 2670, 4005, 5186, 7779, 8010, 12965, 15558, 23337, 25930, 38895, 46674, 77790, 116685, 230777, 233370, 461554, 692331, 1153885, 1384662, 2076993, 2307770, 3461655, 4153986, 6923310, 10384965, 20769930]

約数ペア:

[(1, 20769930), (2, 10384965), (3, 6923310), (5, 4153986), (6, 3461655), (9, 2307770), (10, 2076993), (15, 1384662), (18, 1153885), (30, 692331), (45, 461554), (89, 233370), (90, 230777), (178, 116685), (267, 77790), (445, 46674), (534, 38895), (801, 25930), (890, 23337), (1335, 15558), (1602, 12965), (2593, 8010), (2670, 7779), (4005, 5186)]