22116820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 51004800

約数和(自身を除く): 28887980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 439, 458, 878, 916, 1145, 1756, 2195, 2290, 2519, 4390, 4580, 4829, 5038, 8780, 9658, 10076, 12595, 19316, 24145, 25190, 48290, 50380, 96580, 100531, 201062, 402124, 502655, 1005310, 1105841, 2010620, 2211682, 4423364, 5529205, 11058410, 22116820]

約数ペア:

[(1, 22116820), (2, 11058410), (4, 5529205), (5, 4423364), (10, 2211682), (11, 2010620), (20, 1105841), (22, 1005310), (44, 502655), (55, 402124), (110, 201062), (220, 100531), (229, 96580), (439, 50380), (458, 48290), (878, 25190), (916, 24145), (1145, 19316), (1756, 12595), (2195, 10076), (2290, 9658), (2519, 8780), (4390, 5038), (4580, 4829)]