20054055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 38854656

約数和(自身を除く): 18800601

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 61, 93, 101, 105, 155, 183, 217, 303, 305, 427, 465, 505, 651, 707, 915, 1085, 1281, 1515, 1891, 2121, 2135, 3131, 3255, 3535, 5673, 6161, 6405, 9393, 9455, 10605, 13237, 15655, 18483, 21917, 28365, 30805, 39711, 43127, 46965, 65751, 66185, 92415, 109585, 129381, 190991, 198555, 215635, 328755, 572973, 646905, 954955, 1336937, 2864865, 4010811, 6684685, 20054055]

約数ペア:

[(1, 20054055), (3, 6684685), (5, 4010811), (7, 2864865), (15, 1336937), (21, 954955), (31, 646905), (35, 572973), (61, 328755), (93, 215635), (101, 198555), (105, 190991), (155, 129381), (183, 109585), (217, 92415), (303, 66185), (305, 65751), (427, 46965), (465, 43127), (505, 39711), (651, 30805), (707, 28365), (915, 21917), (1085, 18483), (1281, 15655), (1515, 13237), (1891, 10605), (2121, 9455), (2135, 9393), (3131, 6405), (3255, 6161), (3535, 5673)]