20211220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15083}}^1$

素因数の和:15159

約数の個数: 24

約数和(自身を含む): 43079904

約数和(自身を除く): 22868684

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 15083, 30166, 60332, 75415, 150830, 301660, 1010561, 2021122, 4042244, 5052805, 10105610, 20211220]

約数ペア:

[(1, 20211220), (2, 10105610), (4, 5052805), (5, 4042244), (10, 2021122), (20, 1010561), (67, 301660), (134, 150830), (268, 75415), (335, 60332), (670, 30166), (1340, 15083)]