20303829

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1907}}^1$

素因数の和:1946

約数の個数: 36

約数和(自身を含む): 36313056

約数和(自身を除く): 16009227

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1907, 3549, 5721, 10647, 13349, 17163, 24791, 40047, 74373, 120141, 173537, 223119, 322283, 520611, 966849, 1561833, 2255981, 2900547, 6767943, 20303829]

約数ペア:

[(1, 20303829), (3, 6767943), (7, 2900547), (9, 2255981), (13, 1561833), (21, 966849), (39, 520611), (63, 322283), (91, 223119), (117, 173537), (169, 120141), (273, 74373), (507, 40047), (819, 24791), (1183, 17163), (1521, 13349), (1907, 10647), (3549, 5721)]