20564688

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22549}}^1$

素因数の和:22579

約数の個数: 40

約数和(自身を含む): 55924000

約数和(自身を除く): 35359312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22549, 45098, 67647, 90196, 135294, 180392, 270588, 360784, 428431, 541176, 856862, 1082352, 1285293, 1713724, 2570586, 3427448, 5141172, 6854896, 10282344, 20564688]

約数ペア:

[(1, 20564688), (2, 10282344), (3, 6854896), (4, 5141172), (6, 3427448), (8, 2570586), (12, 1713724), (16, 1285293), (19, 1082352), (24, 856862), (38, 541176), (48, 428431), (57, 360784), (76, 270588), (114, 180392), (152, 135294), (228, 90196), (304, 67647), (456, 45098), (912, 22549)]