20963656

素因数分解:

$2^3\times 7^1\times {\mathrm{374351}}^1$

素因数の和:374364

約数の個数: 16

約数和(自身を含む): 44922240

約数和(自身を除く): 23958584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374351, 748702, 1497404, 2620457, 2994808, 5240914, 10481828, 20963656]

約数ペア:

[(1, 20963656), (2, 10481828), (4, 5240914), (7, 2994808), (8, 2620457), (14, 1497404), (28, 748702), (56, 374351)]