20334237

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 16437603

約数列:

[1, 3, 7, 11, 19, 21, 33, 41, 57, 77, 113, 123, 133, 209, 231, 287, 339, 399, 451, 627, 779, 791, 861, 1243, 1353, 1463, 2147, 2337, 2373, 3157, 3729, 4389, 4633, 5453, 6441, 8569, 8701, 9471, 13899, 15029, 16359, 23617, 25707, 26103, 32431, 45087, 50963, 59983, 70851, 88027, 97293, 152889, 165319, 179949, 264081, 356741, 495957, 616189, 968297, 1070223, 1848567, 2904891, 6778079, 20334237]

約数ペア:

[(1, 20334237), (3, 6778079), (7, 2904891), (11, 1848567), (19, 1070223), (21, 968297), (33, 616189), (41, 495957), (57, 356741), (77, 264081), (113, 179949), (123, 165319), (133, 152889), (209, 97293), (231, 88027), (287, 70851), (339, 59983), (399, 50963), (451, 45087), (627, 32431), (779, 26103), (791, 25707), (861, 23617), (1243, 16359), (1353, 15029), (1463, 13899), (2147, 9471), (2337, 8701), (2373, 8569), (3157, 6441), (3729, 5453), (4389, 4633)]