20783760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86599}}^1$

素因数の和:86615

約数の個数: 40

約数和(自身を含む): 64430400

約数和(自身を除く): 43646640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86599, 173198, 259797, 346396, 432995, 519594, 692792, 865990, 1039188, 1298985, 1385584, 1731980, 2078376, 2597970, 3463960, 4156752, 5195940, 6927920, 10391880, 20783760]

約数ペア:

[(1, 20783760), (2, 10391880), (3, 6927920), (4, 5195940), (5, 4156752), (6, 3463960), (8, 2597970), (10, 2078376), (12, 1731980), (15, 1385584), (16, 1298985), (20, 1039188), (24, 865990), (30, 692792), (40, 519594), (48, 432995), (60, 346396), (80, 259797), (120, 173198), (240, 86599)]