20129404325

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{1231}}^1\times {\mathrm{4993}}^1$

素因数の和:6365

約数の個数: 24

約数和(自身を含む): 25176471936

約数和(自身を除く): 5047067611

約数列:

[1, 5, 25, 131, 655, 1231, 3275, 4993, 6155, 24965, 30775, 124825, 161261, 654083, 806305, 3270415, 4031525, 6146383, 16352075, 30731915, 153659575, 805176173, 4025880865, 20129404325]

約数ペア:

[(1, 20129404325), (5, 4025880865), (25, 805176173), (131, 153659575), (655, 30731915), (1231, 16352075), (3275, 6146383), (4993, 4031525), (6155, 3270415), (24965, 806305), (30775, 654083), (124825, 161261)]