20161420

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5827}}^1$

素因数の和:6009

約数の個数: 24

約数和(自身を含む): 42591024

約数和(自身を除く): 22429604

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5827, 11654, 23308, 29135, 58270, 116540, 1008071, 2016142, 4032284, 5040355, 10080710, 20161420]

約数ペア:

[(1, 20161420), (2, 10080710), (4, 5040355), (5, 4032284), (10, 2016142), (20, 1008071), (173, 116540), (346, 58270), (692, 29135), (865, 23308), (1730, 11654), (3460, 5827)]