20556906

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 43008000

約数和(自身を除く): 22451094

約数列:

[1, 2, 3, 6, 31, 62, 79, 93, 158, 186, 237, 474, 1399, 2449, 2798, 4197, 4898, 7347, 8394, 14694, 43369, 86738, 110521, 130107, 221042, 260214, 331563, 663126, 3426151, 6852302, 10278453, 20556906]

約数ペア:

[(1, 20556906), (2, 10278453), (3, 6852302), (6, 3426151), (31, 663126), (62, 331563), (79, 260214), (93, 221042), (158, 130107), (186, 110521), (237, 86738), (474, 43369), (1399, 14694), (2449, 8394), (2798, 7347), (4197, 4898)]