20972098

素因数分解:

$2^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1237}}^1$

素因数の和:1426

約数の個数: 24

約数和(自身を含む): 36835452

約数和(自身を除く): 15863354

約数列:

[1, 2, 7, 14, 49, 98, 173, 346, 1211, 1237, 2422, 2474, 8477, 8659, 16954, 17318, 60613, 121226, 214001, 428002, 1498007, 2996014, 10486049, 20972098]

約数ペア:

[(1, 20972098), (2, 10486049), (7, 2996014), (14, 1498007), (49, 428002), (98, 214001), (173, 121226), (346, 60613), (1211, 17318), (1237, 16954), (2422, 8659), (2474, 8477)]