20095405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 27941760

約数和(自身を除く): 7846355

約数列:

[1, 5, 11, 29, 43, 55, 145, 215, 293, 319, 473, 1247, 1465, 1595, 2365, 3223, 6235, 8497, 12599, 13717, 16115, 42485, 62995, 68585, 93467, 138589, 365371, 467335, 692945, 1826855, 4019081, 20095405]

約数ペア:

[(1, 20095405), (5, 4019081), (11, 1826855), (29, 692945), (43, 467335), (55, 365371), (145, 138589), (215, 93467), (293, 68585), (319, 62995), (473, 42485), (1247, 16115), (1465, 13717), (1595, 12599), (2365, 8497), (3223, 6235)]