20707190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17401}}^1$

素因数の和:17432

約数の個数: 32

約数和(自身を含む): 45105984

約数和(自身を除く): 24398794

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 17401, 34802, 87005, 121807, 174010, 243614, 295817, 591634, 609035, 1218070, 1479085, 2070719, 2958170, 4141438, 10353595, 20707190]

約数ペア:

[(1, 20707190), (2, 10353595), (5, 4141438), (7, 2958170), (10, 2070719), (14, 1479085), (17, 1218070), (34, 609035), (35, 591634), (70, 295817), (85, 243614), (119, 174010), (170, 121807), (238, 87005), (595, 34802), (1190, 17401)]