20286028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23371}}^1$

素因数の和:23413

約数の個数: 24

約数和(自身を含む): 41882624

約数和(自身を除く): 21596596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23371, 46742, 93484, 163597, 327194, 654388, 724501, 1449002, 2898004, 5071507, 10143014, 20286028]

約数ペア:

[(1, 20286028), (2, 10143014), (4, 5071507), (7, 2898004), (14, 1449002), (28, 724501), (31, 654388), (62, 327194), (124, 163597), (217, 93484), (434, 46742), (868, 23371)]