16920722

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 14528878

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 239, 389, 478, 778, 1673, 2723, 3107, 3346, 5057, 5446, 6214, 10114, 21749, 35399, 43498, 70798, 92971, 185942, 650797, 1208623, 1301594, 2417246, 8460361, 16920722]

約数ペア:

[(1, 16920722), (2, 8460361), (7, 2417246), (13, 1301594), (14, 1208623), (26, 650797), (91, 185942), (182, 92971), (239, 70798), (389, 43498), (478, 35399), (778, 21749), (1673, 10114), (2723, 6214), (3107, 5446), (3346, 5057)]