20268129

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 33361920

約数和(自身を除く): 13093791

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1447, 2001, 4341, 4669, 10129, 14007, 30387, 33281, 41963, 99843, 125889, 232967, 293741, 698901, 881223, 965149, 2895447, 6756043, 20268129]

約数ペア:

[(1, 20268129), (3, 6756043), (7, 2895447), (21, 965149), (23, 881223), (29, 698901), (69, 293741), (87, 232967), (161, 125889), (203, 99843), (483, 41963), (609, 33281), (667, 30387), (1447, 14007), (2001, 10129), (4341, 4669)]