20010726

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1223}}^1$

素因数の和:1338

約数の個数: 40

約数和(自身を含む): 45319824

約数和(自身を除く): 25309098

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1223, 1818, 2446, 2727, 3669, 5454, 7338, 8181, 11007, 16362, 22014, 33021, 66042, 99063, 123523, 198126, 247046, 370569, 741138, 1111707, 2223414, 3335121, 6670242, 10005363, 20010726]

約数ペア:

[(1, 20010726), (2, 10005363), (3, 6670242), (6, 3335121), (9, 2223414), (18, 1111707), (27, 741138), (54, 370569), (81, 247046), (101, 198126), (162, 123523), (202, 99063), (303, 66042), (606, 33021), (909, 22014), (1223, 16362), (1818, 11007), (2446, 8181), (2727, 7338), (3669, 5454)]