20128605035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2751689}}^1$

素因数の和:2751731

約数の個数: 32

約数和(自身を含む): 31699468800

約数和(自身を除く): 11570863765

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 2751689, 13758445, 19261823, 30268579, 52282091, 96309115, 151342895, 211880053, 261410455, 365974637, 575103001, 1059400265, 1829873185, 2875515005, 4025721007, 20128605035]

約数ペア:

[(1, 20128605035), (5, 4025721007), (7, 2875515005), (11, 1829873185), (19, 1059400265), (35, 575103001), (55, 365974637), (77, 261410455), (95, 211880053), (133, 151342895), (209, 96309115), (385, 52282091), (665, 30268579), (1045, 19261823), (1463, 13758445), (7315, 2751689)]