20777617210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{705043}}^1$

素因数の和:705478

約数の個数: 32

約数和(自身を含む): 42844113792

約数和(自身を除く): 22066496582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 2105, 2947, 4210, 5894, 14735, 29470, 705043, 1410086, 3525215, 4935301, 7050430, 9870602, 24676505, 49353010, 296823103, 593646206, 1484115515, 2077761721, 2968231030, 4155523442, 10388808605, 20777617210]

約数ペア:

[(1, 20777617210), (2, 10388808605), (5, 4155523442), (7, 2968231030), (10, 2077761721), (14, 1484115515), (35, 593646206), (70, 296823103), (421, 49353010), (842, 24676505), (2105, 9870602), (2947, 7050430), (4210, 4935301), (5894, 3525215), (14735, 1410086), (29470, 705043)]