20233424360

素因数分解:

$2^3\times 5^1\times {\mathrm{17881}}^1\times {\mathrm{28289}}^1$

素因数の和:46181

約数の個数: 32

約数和(自身を含む): 45529360200

約数和(自身を除く): 25295935840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17881, 28289, 35762, 56578, 71524, 89405, 113156, 141445, 143048, 178810, 226312, 282890, 357620, 565780, 715240, 1131560, 505835609, 1011671218, 2023342436, 2529178045, 4046684872, 5058356090, 10116712180, 20233424360]

約数ペア:

[(1, 20233424360), (2, 10116712180), (4, 5058356090), (5, 4046684872), (8, 2529178045), (10, 2023342436), (20, 1011671218), (40, 505835609), (17881, 1131560), (28289, 715240), (35762, 565780), (56578, 357620), (71524, 282890), (89405, 226312), (113156, 178810), (141445, 143048)]