20568632

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 45308160

約数和(自身を除く): 24739528

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 383, 392, 548, 766, 959, 1096, 1532, 1918, 2681, 3064, 3836, 5362, 6713, 7672, 10724, 13426, 18767, 21448, 26852, 37534, 52471, 53704, 75068, 104942, 150136, 209884, 367297, 419768, 734594, 1469188, 2571079, 2938376, 5142158, 10284316, 20568632]

約数ペア:

[(1, 20568632), (2, 10284316), (4, 5142158), (7, 2938376), (8, 2571079), (14, 1469188), (28, 734594), (49, 419768), (56, 367297), (98, 209884), (137, 150136), (196, 104942), (274, 75068), (383, 53704), (392, 52471), (548, 37534), (766, 26852), (959, 21448), (1096, 18767), (1532, 13426), (1918, 10724), (2681, 7672), (3064, 6713), (3836, 5362)]