20178091458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1496669}}^1$

素因数の和:1496791

約数の個数: 48

約数和(自身を含む): 50431792320

約数和(自身を除く): 30253700862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1926, 2247, 4494, 6741, 13482, 1496669, 2993338, 4490007, 8980014, 10476683, 13470021, 20953366, 26940042, 31430049, 62860098, 94290147, 160143583, 188580294, 320287166, 480430749, 960861498, 1121005081, 1441292247, 2242010162, 2882584494, 3363015243, 6726030486, 10089045729, 20178091458]

約数ペア:

[(1, 20178091458), (2, 10089045729), (3, 6726030486), (6, 3363015243), (7, 2882584494), (9, 2242010162), (14, 1441292247), (18, 1121005081), (21, 960861498), (42, 480430749), (63, 320287166), (107, 188580294), (126, 160143583), (214, 94290147), (321, 62860098), (642, 31430049), (749, 26940042), (963, 20953366), (1498, 13470021), (1926, 10476683), (2247, 8980014), (4494, 4490007), (6741, 2993338), (13482, 1496669)]