20138640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83911}}^1$

素因数の和:83927

約数の個数: 40

約数和(自身を含む): 62430528

約数和(自身を除く): 42291888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83911, 167822, 251733, 335644, 419555, 503466, 671288, 839110, 1006932, 1258665, 1342576, 1678220, 2013864, 2517330, 3356440, 4027728, 5034660, 6712880, 10069320, 20138640]

約数ペア:

[(1, 20138640), (2, 10069320), (3, 6712880), (4, 5034660), (5, 4027728), (6, 3356440), (8, 2517330), (10, 2013864), (12, 1678220), (15, 1342576), (16, 1258665), (20, 1006932), (24, 839110), (30, 671288), (40, 503466), (48, 419555), (60, 335644), (80, 251733), (120, 167822), (240, 83911)]