20249564356

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13645259}}^1$

素因数の和:13645323

約数の個数: 24

約数和(自身を含む): 41263266240

約数和(自身を除く): 21013701884

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13645259, 27290518, 54581036, 95516813, 191033626, 382067252, 723198727, 1446397454, 2892794908, 5062391089, 10124782178, 20249564356]

約数ペア:

[(1, 20249564356), (2, 10124782178), (4, 5062391089), (7, 2892794908), (14, 1446397454), (28, 723198727), (53, 382067252), (106, 191033626), (212, 95516813), (371, 54581036), (742, 27290518), (1484, 13645259)]