20123687948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55284857}}^1$

素因数の和:55284881

約数の個数: 24

約数和(自身を含む): 43343328672

約数和(自身を除く): 23219640724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55284857, 110569714, 221139428, 386993999, 718703141, 773987998, 1437406282, 1547975996, 2874812564, 5030921987, 10061843974, 20123687948]

約数ペア:

[(1, 20123687948), (2, 10061843974), (4, 5030921987), (7, 2874812564), (13, 1547975996), (14, 1437406282), (26, 773987998), (28, 718703141), (52, 386993999), (91, 221139428), (182, 110569714), (364, 55284857)]