402462020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{242447}}^1$

素因数の和:242539

約数の個数: 24

約数和(自身を含む): 855356544

約数和(自身を除く): 452894524

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 242447, 484894, 969788, 1212235, 2424470, 4848940, 20123101, 40246202, 80492404, 100615505, 201231010, 402462020]

約数ペア:

[(1, 402462020), (2, 201231010), (4, 100615505), (5, 80492404), (10, 40246202), (20, 20123101), (83, 4848940), (166, 2424470), (332, 1212235), (415, 969788), (830, 484894), (1660, 242447)]