16898920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1753}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 38202120

約数和(自身を除く): 21303200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1753, 1928, 2410, 3506, 4820, 7012, 8765, 9640, 14024, 17530, 35060, 70120, 422473, 844946, 1689892, 2112365, 3379784, 4224730, 8449460, 16898920]

約数ペア:

[(1, 16898920), (2, 8449460), (4, 4224730), (5, 3379784), (8, 2112365), (10, 1689892), (20, 844946), (40, 422473), (241, 70120), (482, 35060), (964, 17530), (1205, 14024), (1753, 9640), (1928, 8765), (2410, 7012), (3506, 4820)]