20229768

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21613}}^1$

素因数の和:21638

約数の個数: 48

約数和(自身を含む): 59006220

約数和(自身を除く): 38776452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21613, 43226, 64839, 86452, 129678, 172904, 194517, 259356, 280969, 389034, 518712, 561938, 778068, 842907, 1123876, 1556136, 1685814, 2247752, 2528721, 3371628, 5057442, 6743256, 10114884, 20229768]

約数ペア:

[(1, 20229768), (2, 10114884), (3, 6743256), (4, 5057442), (6, 3371628), (8, 2528721), (9, 2247752), (12, 1685814), (13, 1556136), (18, 1123876), (24, 842907), (26, 778068), (36, 561938), (39, 518712), (52, 389034), (72, 280969), (78, 259356), (104, 194517), (117, 172904), (156, 129678), (234, 86452), (312, 64839), (468, 43226), (936, 21613)]