20128812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 31615188

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 109, 132, 218, 327, 436, 654, 1199, 1308, 1399, 2398, 2798, 3597, 4197, 4796, 5596, 7194, 8394, 14388, 15389, 16788, 30778, 46167, 61556, 92334, 152491, 184668, 304982, 457473, 609964, 914946, 1677401, 1829892, 3354802, 5032203, 6709604, 10064406, 20128812]

約数ペア:

[(1, 20128812), (2, 10064406), (3, 6709604), (4, 5032203), (6, 3354802), (11, 1829892), (12, 1677401), (22, 914946), (33, 609964), (44, 457473), (66, 304982), (109, 184668), (132, 152491), (218, 92334), (327, 61556), (436, 46167), (654, 30778), (1199, 16788), (1308, 15389), (1399, 14388), (2398, 8394), (2798, 7194), (3597, 5596), (4197, 4796)]