20461385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 30585600

約数和(自身を除く): 10124215

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1061, 2755, 3857, 5305, 7427, 19285, 20159, 30769, 37135, 100795, 141113, 153845, 215383, 584611, 705565, 1076915, 2923055, 4092277, 20461385]

約数ペア:

[(1, 20461385), (5, 4092277), (7, 2923055), (19, 1076915), (29, 705565), (35, 584611), (95, 215383), (133, 153845), (145, 141113), (203, 100795), (551, 37135), (665, 30769), (1015, 20159), (1061, 19285), (2755, 7427), (3857, 5305)]