20429450

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3119}}^1$

素因数の和:3262

約数の個数: 24

約数和(自身を含む): 38301120

約数和(自身を除く): 17871670

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3119, 3275, 6238, 6550, 15595, 31190, 77975, 155950, 408589, 817178, 2042945, 4085890, 10214725, 20429450]

約数ペア:

[(1, 20429450), (2, 10214725), (5, 4085890), (10, 2042945), (25, 817178), (50, 408589), (131, 155950), (262, 77975), (655, 31190), (1310, 15595), (3119, 6550), (3275, 6238)]