20552960

素因数分解:

$2^8\times 5^1\times {\mathrm{16057}}^1$

素因数の和:16078

約数の個数: 36

約数和(自身を含む): 49233828

約数和(自身を除く): 28680868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 16057, 32114, 64228, 80285, 128456, 160570, 256912, 321140, 513824, 642280, 1027648, 1284560, 2055296, 2569120, 4110592, 5138240, 10276480, 20552960]

約数ペア:

[(1, 20552960), (2, 10276480), (4, 5138240), (5, 4110592), (8, 2569120), (10, 2055296), (16, 1284560), (20, 1027648), (32, 642280), (40, 513824), (64, 321140), (80, 256912), (128, 160570), (160, 128456), (256, 80285), (320, 64228), (640, 32114), (1280, 16057)]