20164569915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{3881}}^1\times {\mathrm{7069}}^1$

素因数の和:10972

約数の個数: 48

約数和(自身を含む): 37545772320

約数和(自身を除く): 17381202405

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 3881, 7069, 11643, 19405, 21207, 27167, 35345, 49483, 58215, 81501, 106035, 135835, 148449, 190169, 247415, 346381, 407505, 570507, 742245, 950845, 1039143, 1731905, 2852535, 5195715, 27434789, 82304367, 137173945, 192043523, 411521835, 576130569, 960217615, 1344304661, 2880652845, 4032913983, 6721523305, 20164569915]

約数ペア:

[(1, 20164569915), (3, 6721523305), (5, 4032913983), (7, 2880652845), (15, 1344304661), (21, 960217615), (35, 576130569), (49, 411521835), (105, 192043523), (147, 137173945), (245, 82304367), (735, 27434789), (3881, 5195715), (7069, 2852535), (11643, 1731905), (19405, 1039143), (21207, 950845), (27167, 742245), (35345, 570507), (49483, 407505), (58215, 346381), (81501, 247415), (106035, 190169), (135835, 148449)]