20256780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5039}}^1$

素因数の和:5118

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 37320180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5039, 10078, 15117, 20156, 25195, 30234, 50390, 60468, 75585, 100780, 151170, 302340, 337613, 675226, 1012839, 1350452, 1688065, 2025678, 3376130, 4051356, 5064195, 6752260, 10128390, 20256780]

約数ペア:

[(1, 20256780), (2, 10128390), (3, 6752260), (4, 5064195), (5, 4051356), (6, 3376130), (10, 2025678), (12, 1688065), (15, 1350452), (20, 1012839), (30, 675226), (60, 337613), (67, 302340), (134, 151170), (201, 100780), (268, 75585), (335, 60468), (402, 50390), (670, 30234), (804, 25195), (1005, 20156), (1340, 15117), (2010, 10078), (4020, 5039)]