20506190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2348

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 18926770

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2281, 4495, 4562, 8990, 11405, 22810, 66149, 70711, 132298, 141422, 330745, 353555, 661490, 707110, 2050619, 4101238, 10253095, 20506190]

約数ペア:

[(1, 20506190), (2, 10253095), (5, 4101238), (10, 2050619), (29, 707110), (31, 661490), (58, 353555), (62, 330745), (145, 141422), (155, 132298), (290, 70711), (310, 66149), (899, 22810), (1798, 11405), (2281, 8990), (4495, 4562)]