20704900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6679}}^1$

素因数の和:6724

約数の個数: 36

約数和(自身を含む): 46385920

約数和(自身を除く): 25681020

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6679, 13358, 26716, 33395, 66790, 133580, 166975, 207049, 333950, 414098, 667900, 828196, 1035245, 2070490, 4140980, 5176225, 10352450, 20704900]

約数ペア:

[(1, 20704900), (2, 10352450), (4, 5176225), (5, 4140980), (10, 2070490), (20, 1035245), (25, 828196), (31, 667900), (50, 414098), (62, 333950), (100, 207049), (124, 166975), (155, 133580), (310, 66790), (620, 33395), (775, 26716), (1550, 13358), (3100, 6679)]