20877446985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{137519}}^1$

素因数の和:137905

約数の個数: 32

約数和(自身を含む): 34655040000

約数和(自身を除く): 13777593015

約数列:

[1, 3, 5, 15, 29, 87, 145, 349, 435, 1047, 1745, 5235, 10121, 30363, 50605, 137519, 151815, 412557, 687595, 2062785, 3988051, 11964153, 19940255, 47994131, 59820765, 143982393, 239970655, 719911965, 1391829799, 4175489397, 6959148995, 20877446985]

約数ペア:

[(1, 20877446985), (3, 6959148995), (5, 4175489397), (15, 1391829799), (29, 719911965), (87, 239970655), (145, 143982393), (349, 59820765), (435, 47994131), (1047, 19940255), (1745, 11964153), (5235, 3988051), (10121, 2062785), (30363, 687595), (50605, 412557), (137519, 151815)]