20429188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3147

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 18378812

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 2999, 3406, 5998, 6812, 11996, 38987, 77974, 155948, 392869, 785738, 1571476, 5107297, 10214594, 20429188]

約数ペア:

[(1, 20429188), (2, 10214594), (4, 5107297), (13, 1571476), (26, 785738), (52, 392869), (131, 155948), (262, 77974), (524, 38987), (1703, 11996), (2999, 6812), (3406, 5998)]