20889470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{653}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 43132608

約数和(自身を除く): 22243138

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 653, 914, 1306, 2285, 3199, 3265, 4570, 4571, 6398, 6530, 9142, 15995, 22855, 31990, 45710, 298421, 596842, 1492105, 2088947, 2984210, 4177894, 10444735, 20889470]

約数ペア:

[(1, 20889470), (2, 10444735), (5, 4177894), (7, 2984210), (10, 2088947), (14, 1492105), (35, 596842), (70, 298421), (457, 45710), (653, 31990), (914, 22855), (1306, 15995), (2285, 9142), (3199, 6530), (3265, 6398), (4570, 4571)]