20003976

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2555

約数の個数: 64

約数和(自身を含む): 57091200

約数和(自身を除く): 37087224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2503, 2664, 3996, 5006, 7509, 7992, 10012, 15018, 20024, 22527, 30036, 45054, 60072, 67581, 90108, 92611, 135162, 180216, 185222, 270324, 277833, 370444, 540648, 555666, 740888, 833499, 1111332, 1666998, 2222664, 2500497, 3333996, 5000994, 6667992, 10001988, 20003976]

約数ペア:

[(1, 20003976), (2, 10001988), (3, 6667992), (4, 5000994), (6, 3333996), (8, 2500497), (9, 2222664), (12, 1666998), (18, 1111332), (24, 833499), (27, 740888), (36, 555666), (37, 540648), (54, 370444), (72, 277833), (74, 270324), (108, 185222), (111, 180216), (148, 135162), (216, 92611), (222, 90108), (296, 67581), (333, 60072), (444, 45054), (666, 30036), (888, 22527), (999, 20024), (1332, 15018), (1998, 10012), (2503, 7992), (2664, 7509), (3996, 5006)]