20026260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1653

約数の個数: 72

約数和(自身を含む): 61641216

約数和(自身を除く): 41614956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1567, 2130, 2556, 3134, 3195, 4260, 4701, 6268, 6390, 7835, 9402, 12780, 14103, 15670, 18804, 23505, 28206, 31340, 47010, 56412, 70515, 94020, 111257, 141030, 222514, 282060, 333771, 445028, 556285, 667542, 1001313, 1112570, 1335084, 1668855, 2002626, 2225140, 3337710, 4005252, 5006565, 6675420, 10013130, 20026260]

約数ペア:

[(1, 20026260), (2, 10013130), (3, 6675420), (4, 5006565), (5, 4005252), (6, 3337710), (9, 2225140), (10, 2002626), (12, 1668855), (15, 1335084), (18, 1112570), (20, 1001313), (30, 667542), (36, 556285), (45, 445028), (60, 333771), (71, 282060), (90, 222514), (142, 141030), (180, 111257), (213, 94020), (284, 70515), (355, 56412), (426, 47010), (639, 31340), (710, 28206), (852, 23505), (1065, 18804), (1278, 15670), (1420, 14103), (1567, 12780), (2130, 9402), (2556, 7835), (3134, 6390), (3195, 6268), (4260, 4701)]