20936197954

素因数分解:

$2^1\times 7^3\times {\mathrm{2903}}^1\times {\mathrm{10513}}^1$

素因数の和:13439

約数の個数: 32

約数和(自身を含む): 36639187200

約数和(自身を除く): 15702989246

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2903, 5806, 10513, 20321, 21026, 40642, 73591, 142247, 147182, 284494, 515137, 995729, 1030274, 1991458, 3605959, 7211918, 30519239, 61038478, 213634673, 427269346, 1495442711, 2990885422, 10468098977, 20936197954]

約数ペア:

[(1, 20936197954), (2, 10468098977), (7, 2990885422), (14, 1495442711), (49, 427269346), (98, 213634673), (343, 61038478), (686, 30519239), (2903, 7211918), (5806, 3605959), (10513, 1991458), (20321, 1030274), (21026, 995729), (40642, 515137), (73591, 284494), (142247, 147182)]