20030398425

素因数分解:

$3^2\times 5^2\times {\mathrm{643}}^1\times {\mathrm{138451}}^1$

素因数の和:139110

約数の個数: 36

約数和(自身を含む): 35932724464

約数和(自身を除く): 15902326039

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 643, 1929, 3215, 5787, 9645, 16075, 28935, 48225, 138451, 144675, 415353, 692255, 1246059, 2076765, 3461275, 6230295, 10383825, 31151475, 89023993, 267071979, 445119965, 801215937, 1335359895, 2225599825, 4006079685, 6676799475, 20030398425]

約数ペア:

[(1, 20030398425), (3, 6676799475), (5, 4006079685), (9, 2225599825), (15, 1335359895), (25, 801215937), (45, 445119965), (75, 267071979), (225, 89023993), (643, 31151475), (1929, 10383825), (3215, 6230295), (5787, 3461275), (9645, 2076765), (16075, 1246059), (28935, 692255), (48225, 415353), (138451, 144675)]