20423830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10061}}^1$

素因数の和:10104

約数の個数: 32

約数和(自身を含む): 43467840

約数和(自身を除く): 23044010

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10061, 20122, 50305, 70427, 100610, 140854, 291769, 352135, 583538, 704270, 1458845, 2042383, 2917690, 4084766, 10211915, 20423830]

約数ペア:

[(1, 20423830), (2, 10211915), (5, 4084766), (7, 2917690), (10, 2042383), (14, 1458845), (29, 704270), (35, 583538), (58, 352135), (70, 291769), (145, 140854), (203, 100610), (290, 70427), (406, 50305), (1015, 20122), (2030, 10061)]