20349250540

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3250679}}^1$

素因数の和:3251001

約数の個数: 24

約数和(自身を含む): 42869967840

約数和(自身を除く): 22520717300

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 3250679, 6501358, 13002716, 16253395, 32506790, 65013580, 1017462527, 2034925054, 4069850108, 5087312635, 10174625270, 20349250540]

約数ペア:

[(1, 20349250540), (2, 10174625270), (4, 5087312635), (5, 4069850108), (10, 2034925054), (20, 1017462527), (313, 65013580), (626, 32506790), (1252, 16253395), (1565, 13002716), (3130, 6501358), (6260, 3250679)]