20858286

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 46329984

約数和(自身を除く): 25471698

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 289, 391, 523, 578, 782, 867, 1046, 1173, 1569, 1734, 2346, 3138, 6647, 8891, 12029, 13294, 17782, 19941, 24058, 26673, 36087, 39882, 53346, 72174, 151147, 204493, 302294, 408986, 453441, 613479, 906882, 1226958, 3476381, 6952762, 10429143, 20858286]

約数ペア:

[(1, 20858286), (2, 10429143), (3, 6952762), (6, 3476381), (17, 1226958), (23, 906882), (34, 613479), (46, 453441), (51, 408986), (69, 302294), (102, 204493), (138, 151147), (289, 72174), (391, 53346), (523, 39882), (578, 36087), (782, 26673), (867, 24058), (1046, 19941), (1173, 17782), (1569, 13294), (1734, 12029), (2346, 8891), (3138, 6647)]