20171736850

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{409}}^1\times {\mathrm{10169}}^1$

素因数の和:10687

約数の個数: 48

約数和(自身を含む): 38002645800

約数和(自身を除く): 17830908950

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 409, 485, 818, 970, 2045, 2425, 4090, 4850, 10169, 10225, 20338, 20450, 39673, 50845, 79346, 101690, 198365, 254225, 396730, 508450, 986393, 991825, 1972786, 1983650, 4159121, 4931965, 8318242, 9863930, 20795605, 24659825, 41591210, 49319650, 103978025, 207956050, 403434737, 806869474, 2017173685, 4034347370, 10085868425, 20171736850]

約数ペア:

[(1, 20171736850), (2, 10085868425), (5, 4034347370), (10, 2017173685), (25, 806869474), (50, 403434737), (97, 207956050), (194, 103978025), (409, 49319650), (485, 41591210), (818, 24659825), (970, 20795605), (2045, 9863930), (2425, 8318242), (4090, 4931965), (4850, 4159121), (10169, 1983650), (10225, 1972786), (20338, 991825), (20450, 986393), (39673, 508450), (50845, 396730), (79346, 254225), (101690, 198365)]