20154650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13003}}^1$

素因数の和:13046

約数の個数: 24

約数和(自身を含む): 38699904

約数和(自身を除く): 18545254

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13003, 26006, 65015, 130030, 325075, 403093, 650150, 806186, 2015465, 4030930, 10077325, 20154650]

約数ペア:

[(1, 20154650), (2, 10077325), (5, 4030930), (10, 2015465), (25, 806186), (31, 650150), (50, 403093), (62, 325075), (155, 130030), (310, 65015), (775, 26006), (1550, 13003)]