220994420

素因数分解:

$2^2\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{4049}}^1$

素因数の和:6787

約数の個数: 24

約数和(自身を含む): 464373000

約数和(自身を除く): 243378580

約数列:

[1, 2, 4, 5, 10, 20, 2729, 4049, 5458, 8098, 10916, 13645, 16196, 20245, 27290, 40490, 54580, 80980, 11049721, 22099442, 44198884, 55248605, 110497210, 220994420]

約数ペア:

[(1, 220994420), (2, 110497210), (4, 55248605), (5, 44198884), (10, 22099442), (20, 11049721), (2729, 80980), (4049, 54580), (5458, 40490), (8098, 27290), (10916, 20245), (13645, 16196)]