20590076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 20391172

約数列:

[1, 2, 4, 13, 26, 31, 52, 53, 62, 106, 124, 212, 241, 403, 482, 689, 806, 964, 1378, 1612, 1643, 2756, 3133, 3286, 6266, 6572, 7471, 12532, 12773, 14942, 21359, 25546, 29884, 42718, 51092, 85436, 97123, 166049, 194246, 332098, 388492, 395963, 664196, 791926, 1583852, 5147519, 10295038, 20590076]

約数ペア:

[(1, 20590076), (2, 10295038), (4, 5147519), (13, 1583852), (26, 791926), (31, 664196), (52, 395963), (53, 388492), (62, 332098), (106, 194246), (124, 166049), (212, 97123), (241, 85436), (403, 51092), (482, 42718), (689, 29884), (806, 25546), (964, 21359), (1378, 14942), (1612, 12773), (1643, 12532), (2756, 7471), (3133, 6572), (3286, 6266)]