20003308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12409}}^1$

素因数の和:12457

約数の個数: 24

約数和(自身を含む): 38917760

約数和(自身を除く): 18914452

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12409, 24818, 49636, 161317, 322634, 384679, 645268, 769358, 1538716, 5000827, 10001654, 20003308]

約数ペア:

[(1, 20003308), (2, 10001654), (4, 5000827), (13, 1538716), (26, 769358), (31, 645268), (52, 384679), (62, 322634), (124, 161317), (403, 49636), (806, 24818), (1612, 12409)]