20149105844

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1871}}^1\times {\mathrm{2767}}^1$

素因数の和:4788

約数の個数: 48

約数和(自身を含む): 40624496640

約数和(自身を除く): 20475390796

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1871, 1946, 2767, 3742, 3892, 5534, 7484, 11068, 13097, 19369, 26194, 38738, 52388, 77476, 260069, 384613, 520138, 769226, 1040276, 1538452, 1820483, 2692291, 3640966, 5177057, 5384582, 7281932, 10354114, 10769164, 20708228, 36239399, 72478798, 144957596, 719610923, 1439221846, 2878443692, 5037276461, 10074552922, 20149105844]

約数ペア:

[(1, 20149105844), (2, 10074552922), (4, 5037276461), (7, 2878443692), (14, 1439221846), (28, 719610923), (139, 144957596), (278, 72478798), (556, 36239399), (973, 20708228), (1871, 10769164), (1946, 10354114), (2767, 7281932), (3742, 5384582), (3892, 5177057), (5534, 3640966), (7484, 2692291), (11068, 1820483), (13097, 1538452), (19369, 1040276), (26194, 769226), (38738, 520138), (52388, 384613), (77476, 260069)]