20784869715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18061}}^1\times {\mathrm{4513}}^1$

素因数の和:22599

約数の個数: 32

約数和(自身を含む): 35221766976

約数和(自身を除く): 14436897261

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 4513, 13539, 18061, 22565, 54183, 67695, 76721, 90305, 230163, 270915, 307037, 383605, 921111, 1150815, 1535185, 4605555, 81509293, 244527879, 407546465, 1222639395, 1385657981, 4156973943, 6928289905, 20784869715]

約数ペア:

[(1, 20784869715), (3, 6928289905), (5, 4156973943), (15, 1385657981), (17, 1222639395), (51, 407546465), (85, 244527879), (255, 81509293), (4513, 4605555), (13539, 1535185), (18061, 1150815), (22565, 921111), (54183, 383605), (67695, 307037), (76721, 270915), (90305, 230163)]