20460843

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:175

約数の個数: 56

約数和(自身を含む): 35255808

約数和(自身を除く): 14794965

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 127, 153, 221, 243, 351, 381, 459, 663, 729, 1053, 1143, 1377, 1651, 1989, 2159, 3159, 3429, 4131, 4953, 5967, 6477, 9477, 10287, 12393, 14859, 17901, 19431, 28067, 30861, 44577, 53703, 58293, 84201, 92583, 133731, 161109, 174879, 252603, 401193, 524637, 757809, 1203579, 1573911, 2273427, 6820281, 20460843]

約数ペア:

[(1, 20460843), (3, 6820281), (9, 2273427), (13, 1573911), (17, 1203579), (27, 757809), (39, 524637), (51, 401193), (81, 252603), (117, 174879), (127, 161109), (153, 133731), (221, 92583), (243, 84201), (351, 58293), (381, 53703), (459, 44577), (663, 30861), (729, 28067), (1053, 19431), (1143, 17901), (1377, 14859), (1651, 12393), (1989, 10287), (2159, 9477), (3159, 6477), (3429, 5967), (4131, 4953)]